bluuebunny/crossref_metadata_2025_split huggingface dataset:
When do firms enter a repeated partnership? The effect of contract terms and relative partner characteristics
Authors: Oh Yoojin , Lee Jongkuk 
Published: October 2017

PurposeThe purpose of this paper is to understand the mechanisms of partner selection from the transaction cost economics’ viewpoint. This paper reveals that a firm’s choice to initiate a new alliance with a new partner or form a repeated alliance with an existing partner depends on contract terms and the relative characteristics of partners.Design/methodology/approachThe authors examine 555 alliances in high-tech industries from 2001 to 2009, which the authors collected from secondary sources, including the Securities Data Company Platinum and Compustat databases. The authors use a logit model to reveal the effect of contract terms and relative partner characteristics on repeated partnership.FindingsThe results show that repeated partnership is less likely to be combined with equity sharing. Repeated partnership is also negatively associated with the functional scope of a new alliance. Finally, a firm is more likely to enter a repeated partnership when its partner is from a different country.Originality/valueThis research provides new insights into how the choice of an alliance partner depends on contract terms and the relative characteristics of partners. Identifying factors associated with partner selection helps us understand the fundamental mechanisms of initiating a new alliance. It allows focal firms to foresee the behavior of their peers or competitors in certain circumstances and thus provides important insights for developing corresponding strategies more effectively.
Is executive coaching more effective than other management training and development methods?
Authors: Rekalde Izaskun , Landeta Jon , Albizu Eneka , Fernandez-Ferrin Pilar 
Published: October 2017

PurposeThe purpose of this paper is to present an analysis of the results of applying executive coaching (EC) as a management competency training and development strategy, setting up a comparison with other known training and development methods.Design/methodology/approachA dual sample is used. On the one hand, information is collected from a sample of 100 managers who participated as coachees in an EC process. On the other hand, the study provides the opinions of 236 HR managers as prescribers and promoters of company executive training and development actions.FindingsThe results suggest that EC is an effective management training and development method (MTDM). Furthermore, it is confirmed to be more effective than the rest of the techniques analysed in relation with sustained and observable management behaviour changes, whilst also providing advantages and drawbacks in its use.Practical implicationsCoaching seems to provide the most effective method for altering a selected number of concrete managerial behaviours, although its cost, length, and specificity limit its capacity to be used exclusively as a tool for continuous and generalised management training.Originality/valueIn addition to incorporating two different samples and points of view within the analysis, this work contributes evidence regarding behaviours addressed in EC processes – a feature that has received little analysis in the academic literature – and breaks new ground by comparing the results of this method with other MTDMs in terms of their degree of effectiveness in attaining observable and lasting behaviour changes.
Evaluating the link between commercial governance ratings and firm performance in a cross-European setting
Authors: Núñez Izquierdo Manuel E. , Garcia-Blandon Josep 
Published: October 2017

PurposeThe purpose of this paper is to explore the ability of commercial governance ratings (CGR) to predict firm performance.Design/methodology/approachBased on the review of the corporate governance literature, the authors pose five hypotheses on the relationship between CGR and firm performance. Then, the authors test these hypotheses for the latest version of the Institutional Shareholder Services Inc. (ISS) index (Quickscore) with a sample of firms formed by the constituents of the Standard and Poor’s Europe 350 stock market index.FindingsThe authors have not found a consistent significant relationship between Quickscore ratings and firm performance. This main result holds across a variety of checks.Research limitations/implicationsSome of the additional analyses are conducted with rather small samples. The results of these analyses have to be carefully taken. Recommendations for further research are offered.Practical implicationsThe results call into question the usefulness of CGR, marketed by influential consultant companies, and which are becoming increasingly popular among investors, as reliable predictors of firm performance.Originality/valueDespite an increasing body of research on the use of CGR as predictors of firm performance, the available research is heavily concentrated in the US market. No previous study has explored this relationship using the recently developed ISS index Quickscore in a cross-European setting. The use of a cross-country sample of companies allows the authors to address the impact of institutional factors on the CGR-firm performance relationship. Moreover, the authors do not limit the study to the overall scores of the index but examine also the partial scores (pillars) which intend to assess specific dimensions of governance. This makes the evaluation of the relationship more complex and challenging.
A method for modularity in design rules for additive manufacturing
Authors: Jee Haeseong , Witherell Paul 
Published: October 2017

Purpose
As the technology matures, design rules for additive manufacturing (AM) can help ensure manufacturability, which can be viewed as compatibility between designs and the fabrication processes that produce those designs. Though often informal, current rules frequently provide direct guidelines or constraints for designing AM-destined parts. The aim of this paper is to standardize how design rules are developed and conveyed in AM by presenting design rules as sets of modular components and associated formalisms.

Design/methodology/approach
The proposed methodology decomposes fundamental geometry, process and material relationships into reusable modules. Independent of context, modular representations can be more easily interpreted and efficiently implemented than current one. By providing task-specific context, components are specialized to represent process-specific parameters for different AM builds and processes. This method of specialization enables designers to reconfigure design rules, rather than create new rules from scratch, thus preserving fundamental AM principles while supporting customization and explicit representation.

Findings
Modularity and formalisms provide both structure for the generalizations and a means to tailor that structure for a specific process, machine or build. The adoption of principles and formalisms that allow us to modify, extend, reconfigure or customize generalized rules as needed – instinctively and deliberately.

Originality/value
This method of specialization enables designers to reconfigure design rules, rather than create new rules from scratch, thus preserving fundamental AM principles while supporting customization and explicit representation.
A hybrid electrospinning and electrospraying 3D printing for tissue engineered scaffolds
Authors: Wu Yang , Fuh Jerry , Wong Yoke San , Sun Jie 
Published: October 2017

Purpose
Fabricating functionally graded scaffolds to mimic the complex spatial distributions of the composition, micro-structure and functionality of native tissues will be one of the key objectives for future tissue engineering research. This study aims to create a scaffold to mimic functionally-graded tissue using a hybrid process, which incorporated electrospun polycaprolactone (PCL) and electrosprayed hydroxyapatite (HA) in a simple pathway.

Design/methodology/approach
The PCL and HA were dispensed simultaneously from different positions to form a layer on a rotational mandrel, and a gradient construct was achieved by adjusting dispensing rates of both materials.

Findings
The morphology of scaffolds changed gradually from one layer to another layer with the change of the dispensing conditions of the two materials. The elemental distribution analysis revealed that C/Ca ratio linearly increased with certain dispensing rate ratio of PCL:HA. In addition, the thickness, mechanical properties (i.e. ultimate tensile stress and Young’s modulus), surface roughness and water contact angle of each layer changed accordingly with the variation of dispensing rate of PCL and HA, and the diameter distributions of PCL fibres and HA particles did not vary significantly.

Originality/value
This study showed the hybrid process has the potential to be used in fabrication of scaffold with functionally graded structure for tissue engineering applications, especially for mimicking the nature of the native 3D tendon–bone interface.
Effect of energy input on the UHMWPE fabricating process by selective laser sintering
Authors: Song Changhui , Huang Aibing , Yang Yongqiang , Xiao Zefeng , Yu Jia-kuo 
Published: October 2017

Purpose
This study aims to achieve customized prosthesis for total joint arthroplasty and total hip arthroplasty. Selective laser sintering (SLS) as additive manufacturing could enable small-scale fabrication of customized Ultra High Molecular Weight Polyethylene (UHMWPE) components; however, the processes for SLS of UHMWPE need to be improved.

Design/methodology/approach
This paper begins by improving the preheating system of the SLS fabricating equipment and then fabricating cuboids with the same size and cuboids with same volume and different size to study the warpage, demonstrating the effect of the value and uniformity of the preheating temperature on component fabrication. Warpage, density and tensile properties are investigated from the perspective of energy input density. Finally, complicated industrial parts are produced effectively by using optimized technological parameters.

Findings
The results show that components can be fabricated effectively after the optimization of the SLS technological parameters i.e. the preheating temperature the laser power the scanning interval and the scanning speed. The resulting warpage was found to be less than 0.1 mm along with the density as 83.25 and the tensile strength up to 14.1 Mpa. UHMWPE sample parts with good appearance and strength are obtained after ascertaining the effect of each factor on the fabrication of the sample parts.

Originality/value
It is very challenging to fabricate UHMWPE sample parts by SLS. This is a new step in the fabrication of customized UHMWPE sample parts.
Application of ultrasonic peening during DMLS production of 316L stainless steel and its effect on material behavior
Authors: Gale Joshua , Achuhan Ajit 
Published: October 2017

Purpose
Additive manufacturing (AM) processes involve a layer-by-layer sintering of metallic powders to produce fully functional three-dimensional parts. This layer-by-layer building process provides a unique opportunity to enhance mechanical properties by applying treatments that previously were possible only on the surface in traditional manufacturing techniques. The purpose of the study is to examine the effect of ultrasonic peening (UP) applied during a layer-by-layer direct metal laser sintering (DMLS) fabrication of 316L stainless steel on its mechanical properties and microstructure.

Design/methodology/approach
Uniaxial tensile tests were performed at 1.27 mm/s to determine the effect of UP treatment on the average global behavior of a 316L part, whereas hardness measurements using nanoindentation were performed to determine the modification of local mechanical properties. Compressive buckling tests at a loading rate of 3 mm/min were performed on sample coupons with a large aspect ratio to evaluate the effect of UP on any potential delamination of DMLS layers. Techniques such as optical and scanning electron microscopy (SEM) imaging were utilized to determine the effect of UP on the microstructure.

Findings
Overall, significant modification in mechanical properties such as hardness and yield strength, along with microstructure, was observed. Large increases in both the average global and local mechanical properties, as well as a disruption in the columnar grain microstructure, was observed in DMLS parts treated with UP treatment.

Originality/value
Results indicate an opportunity for UP to be used as an in-situ process during AM processes for dynamically altering the mechanical behavior, microstructure, and distortion due to residual stress formation, in a tunable fashion.
A 3D-printed osseointegrated combined jaw and dental implant prosthesis – a case study
Authors: Malyala Santosh Kumar , Y. Ravi Kumar , Alwala Aditya Mohan 
Published: October 2017

Purpose
This paper aims to present a new design in the area of basal osseointegrated implant (BOI) for oral and maxillofacial surgery using a patient-specific computer-aided design (CAD) and additive manufacturing (AM) approach. The BOI was designed and fabricated according to the patient’s specific requirement, of maxilla stabilisation and dental fixation, a capacity not currently available in conventional BOI. The combination of CAD and AM techniques provides a powerful approach for optimisation and realisation of the implant in a design which helps to minimise blood loss and surgery time, translating into better patient outcomes and reduced financial burdens on healthcare providers.

Design/methodology/approach
The current study integrates the capabilities of conventional medical imaging techniques, CAD and metal AM to realise the BOI. The patient’s anatomy was scanned using a 128-slice spiral computed tomography scanner into a standard Digital Imaging and Communication in Medicine (DICOM) data output. The DICOM data are processed using MIMICS software to construct a digital representative patient model to aid the design process, and the final customised implant was designed using Creo software. The final, surgically implanted BOI was fabricated using direct metal laser sintering in titanium (Ti-64).

Findings
The current approach assisted us to design BOI customised to the patient’s unique anatomy to improve patient outcomes. The design realises a nerve relieving option and placement of porous structure at the required area based up on the analysis of patient bone structural data.

Originality/value
The novelty in this work is that developed BOI comprises a patient-specific design that allows for custom fabrication around the patients' nerves, provides structural support to the compromised maxilla and comprises a dual abutment design, with the capacity of supporting fixation of up to four teeth. Conventional BOIs are only available for a signal abutment capable of holding one or two teeth only. Given the customised nature of the design, the concept could easily be extended to explore a greater number of fixation abutments, abutment length/location, adjusted dental fixation size or greater levels of maxilla support. The study highlights the significance of CAD packages to construct patient-specific solution directly from medical imaging data, and the efficiency of metal AM to translate designs into a functional implant.
A method to estimate the transient fluid pressure of a piezoelectric inkjet printer using system dynamic analysis
Authors: Wang Kun , Xi Juntong 
Published: October 2017

Purpose
This paper aims to present a method based on dynamics to find the transient pressure at the nozzle area of a piezoelectric inkjet printer. This pressure responds to input signals of the piezoelectric driver deformation. The pressure at the nozzle is the boundary condition of the computational fluid dynamics model of the inkjet printer nozzle, and serves as the “bridge” between the piezoelectric driver actuation and the droplet generation of an inkjet printer.

Design/methodology/approach
The transient pressure was estimated using a fluid-solid coupling numerical model of the printerhead. In this study, a simple step-shape signal was applied. The printerhead chamber was considered to act as a linear Helmholtz resonator to determine the system transfer function between the input of driver deformation and the output of pressure. By decomposing the input signal into several simple signals, the transient pressure is the superposition of those calculated pressures.

Findings
The pressure values determined by transfer function and by superposition match the pressure values directly calculated by a fluid-solid coupling model. This demonstrates the rationality and practicability of the method.

Originality/value
This paper proposes a method to identify a proper boundary condition of pressure for numerical models that only include the fluid field around the nozzle. This strategy eliminates the need to calculate the complex and unstable fluid-solid coupling for every pattern of input. Additionally, the suitable boundary condition of transient pressure can be set rather than relying on the shape of the PZT driver deformation signal.
Enhancing the sustainability of chemical vapour polishing of additive manufactured ABS parts using a vacuum chamber
Authors: Pietanza Sergio , Sorgente Donato , Percoco Gianluca 
Published: October 2017

Purpose
In this paper, the authors propose an experimental set-up to study the chemical vapour polishing technique confining pure dimethylketone atmosphere at a fixed temperature in a vacuum chamber. The purpose of this paper is to improve conventional vapour treatments lowering the amount of solvent, lowering time and temperature needed and improving the environmental impact of the technique.

Design/methodology/approach
A factorial design of experiments is adopted to understand the effect of the treatment on roughness and on the surface morphology of treated specimens.

Findings
The proposed method improves several aspects of well-known methods based on water–dimethylketone liquid solution such as: no interaction between water and workpiece and higher capability of process management. It also improves several aspects of well-known methods based on vapour, lowering the amount of solvent, time and temperature compared to conventional vapour treatments.

Originality/value
Chemical vapour polishing is a well-known technique for smoothing additive manufactured acrylonitrile butadiene styrene (ABS) parts. Several data and users' experiences are available on the Web about this topic. In recent scientific literature, a few papers are available about this topic, dealing with how process parameters affect the final surface roughness. In the present paper, the authors propose to improve the process performing the process using dimethylketone into a vacuum chamber. The main advantages are the significant reduction of the solvent needed to perform the process and lower time needed to obtain same results as atmospheric pressure treatments.
Outline of guidelines for the management of vasculitis and vascular disorders in Japan, 2016 revised edition
Authors: Ikeda Takaharu , Furukawa Fukumi , Kawakami Tamihiro , Ishiguro Naoko , Uzuki Miwa , Ozaki Shoichi , Katsuoka Kensei , Kono Takeshi , Kawana Seiji , Kodera Masanari , Sawai Takashi , Sawada Yasuyuki , Seishima Mariko , Tanikawa Akiko , Chen Ko‐Ron , Hasegawa Minoru ,   Committee for Guidelines for the Management of Vasculitis and Vascular Disorders of The Japanese Dermatological Association
Published: October 2017

AbstractThe proposal by the 1994 International Chapel Hill Consensus Conference on the Nomenclature of Systemic Vasculitides (CHCC1994) and by the CHCC2012 markedly influenced the classification and way of considering cutaneous vasculitis. In the proposal by the CHCC1994, hypersensitivity angiitis was defined as an equivalent pathological condition to microscopic polyangiitis or cutaneous leukocytoclastic angiitis (CLA), and it was not adopted as a disease name. However, CLA which was positioned as a type of small‐vessel vasculitis is only a pathological name. In the proposal by the CHCC2012, a new category of single‐organ vasculitis included CLA and cutaneous arteritis. Vasculitis allergica cutis (Ruiter) corresponded to CLA and cutaneous polyarteritis nodosa corresponded to cutaneous arteritis. The Japanese Dermatological Association (JDA) prepared guidelines for the management of vasculitis and vascular disorders in 2008 based on the proposal by the CHCC1994 and their original viewpoint of dermatology. The JDA subsequently revised the 2008 edition guidelines in 2016 following publication of the proposal of the CHCC2012 in Japanese. We presented the outline of the 2016 edition guidelines and propose a treatment algorithm for primary vasculitides based on the evaluation of the cutaneous symptoms for cases suspected as primary cutaneous vasculitides, which integrates the 2008 JDA guideline and CHCC2012 classification. This is the secondary English version of the original Japanese manuscript for the guideline for management of vasculitis and vascular disorders published in the Japanese Journal of Dermatology 127(3); 299–415, 2017.
1,4‐Dioxane‐degrading consortia can be enriched from uncontaminated soils: prevalence of Mycobacterium and soluble di‐iron monooxygenase genes
Authors: He Ya , Mathieu Jacques , da Silva Marcio L.B. , Li Mengyan , Alvarez Pedro J.J. 
Published: October 2017

SummaryTwo bacterial consortia were enriched from uncontaminated soil by virtue of their ability to grow on 1,4‐dioxane (dioxane) as a sole carbon and energy source. Their specific dioxane degradation rates at 30°C, pH = 7 (i.e. 5.7 to 7.1 g‐dioxane per g‐protein per day) were comparable to those of two dioxane‐metabolizing archetypes: Pseudonocardia dioxanivoransCB1190 and Mycobacterium dioxanotrophicusPH‐06. Based on 16S rRNA sequencing, Mycobacterium was the dominant genus. Acetylene inhibition tests suggest that dioxane degradation was mediated by monooxygenases. However, qPCR analyses targeting the tetrahydrofuran/dioxane monooxygenase gene (thmA/dxmA) (which is, to date, the only sequenced dioxane monooxygenase gene) were negative, indicating that other (as yet unknown) catabolic gene(s) were responsible. DNA sequence analyses also showed threefold to sevenfold enrichment of group 5 and group 6 soluble di‐iron monooxygenase (SDIMO) genes relative to the original soil samples. Whereas biodegradation of trace levels of dioxane is a common challenge at contaminated sites, both consortia degraded dioxane at low initial concentrations (300 μg l−1) below detectable levels (5 μg l−1) in bioaugmented microcosms prepared with impacted groundwater. Overall, this work shows that dioxane‐degrading bacteria (and the associated natural attenuation potential) exist even in some uncontaminated soils, and may be enriched to broaden bioaugmentation options for sites experiencing insufficient dioxane catabolic capacity.