title: Investigation of a discus-milling process using a powder mixture of Al and TiO₂

authors: Liu, Z. G.

abstract: In this study, a powder mixture of Al and TiO₂ was employed to investigate the milling process in a discus mill. In this first report on this novel mechanical mill, several variables, including the milling time and powder charge and their effects on the microstructural evolution of powder particles, are monitored and studied. The study reveals that the dominant parameters of the milling process are the milling time and the starting powder charge, similar to the other high-energy ball-milling processes. The longer the milling time and the smaller the starting powder charge, the more homogeneous the mixing and the finer the microstructure of the powder particles. The reaction between Al and TiO₂ was not observed with a milling period as long as 6 hours, for the present materials. However, the reaction between Al and TiO₂, during the subsequent heat treatment, is influenced by the milling condition. The powders with the longer milling times and finer mixing microstructures also form a finer microstructure, after the reaction between Al and TiO₂  during heat treatment. The methods for achieving an optimal milling efficiency for the Al- TiO₂  system are discussed.

text: Investigation of a discus-milling process using a powder mixture of Al and TiO₂ In this study, a powder mixture of Al and TiO₂ was employed to investigate the milling process in a discus mill. In this first report on this novel mechanical mill, several variables, including the milling time and powder charge and their effects on the microstructural evolution of powder particles, are monitored and studied. The study reveals that the dominant parameters of the milling process are the milling time and the starting powder charge, similar to the other high-energy ball-milling processes. The longer the milling time and the smaller the starting powder charge, the more homogeneous the mixing and the finer the microstructure of the powder particles. The reaction between Al and TiO₂ was not observed with a milling period as long as 6 hours, for the present materials. However, the reaction between Al and TiO₂, during the subsequent heat treatment, is influenced by the milling condition. The powders with the longer milling times and finer mixing microstructures also form a finer microstructure, after the reaction between Al and TiO₂  during heat treatment. The methods for achieving an optimal milling efficiency for the Al- TiO₂  system are discussed.

year: 2006

title: Exploring how Constraints Affect the Creative Process and Output of Modern Video Media

authors: Garson, Toni Lorraine

subjects: Constraints

abstract: Web series are a fairly new media form, only really emerging within the past 10 years. Dan Williams (2012) describes web series as a form of media that allows independent content creators that are excluded from traditional media forms a voice within the realm of media. Web series developed rapidly from home movies to full scale productions, exhibiting how low budget productions can still be of a high quality. This thesis explores what distinguishes web series from other media forms. The theoretical background surrounding web series provide interesting ideas that can be used to understand the medium further. The accessible nature of web series provides a context from which to understand the medium further.

This research explores real life constraints and how they effect the creative process and output of modern video media, focusing on web series. This project employs a practice-based approach, involving creating an independent web series as a way to discover first hand what constraints were faced, and how they were dealt with. The intent of this study is not to find and define the best way of dealing with certain constraints but rather to explore potential ways to manage obstacles that inevitably arise within a production. Utilizing interview methodologies and autoethnography, with a practice-based approach, this research allowed for a deeper understanding to be gained of the process of creating web series.

text: Exploring how Constraints Affect the Creative Process and Output of Modern Video Media Web series are a fairly new media form, only really emerging within the past 10 years. Dan Williams (2012) describes web series as a form of media that allows independent content creators that are excluded from traditional media forms a voice within the realm of media. Web series developed rapidly from home movies to full scale productions, exhibiting how low budget productions can still be of a high quality. This thesis explores what distinguishes web series from other media forms. The theoretical background surrounding web series provide interesting ideas that can be used to understand the medium further. The accessible nature of web series provides a context from which to understand the medium further.

This research explores real life constraints and how they effect the creative process and output of modern video media, focusing on web series. This project employs a practice-based approach, involving creating an independent web series as a way to discover first hand what constraints were faced, and how they were dealt with. The intent of this study is not to find and define the best way of dealing with certain constraints but rather to explore potential ways to manage obstacles that inevitably arise within a production. Utilizing interview methodologies and autoethnography, with a practice-based approach, this research allowed for a deeper understanding to be gained of the process of creating web series.

year: 2017

title: Evaluation of treatment responsivity in a psychopathic prison treatment sample

authors: Champion, Michelle Elizabeth

subjects: psychopathy

abstract: Although punishment still dominates the criminal justice system, the progression of research on offending and imprisonment has led to a general consensus that rehabilitation programmes are the appropriate method to effectively reduce both recidivism and prison populations. Hence, many effective offender treatment programmes have been developed. This thesis evaluated phase one of a 10 month pilot treatment programme which used the theories and principles of effective programming to develop an effective programme for male high risk violent offenders assessed with elevated psychopathic personality (High Risk Personality Programme; HRPP), a population of offenders that is often regarded as treatment resistant. Specifically, phase one of the HRPP was designed to address the participants’ responsivity barriers (namely, antisocial interpersonal style) in order to increase self-efficacy, therapeutic alliance, treatability, and readiness, and to reduce perceived coercion in order to aid engagement and success in treatment. A sample of 11 male HRPP inmates had data collected before and after their 17-week first phase of the 10 month three-phase programme. Treatment contact comprised four sessions per week, including three group sessions of 2.5 hours, and 1 individual session of one hour, as well as a two-hour group cultural session that focused on Maori cultural identity (10 of the 11 men were Maori). The battery of tests employed included the Self-Efficacy Questionnaire; the responsivity and readiness scales of the Treatment Readiness Responsivity and Gain Scale; the Corrections Victoria Treatment Readiness Questionnaire, the Paulhus Deception Scale, and the therapist and client versions of the Working Alliance Inventory Short Form, the Perceived Coercion Scale, and an evaluation questionnaire. Demographic data was also collected. The results indicated that the majority of the participants came to the intervention ready or motivated to change. Perceived coercion remained low throughout the programme, representing the participant’s voluntary status. On average participants’ levels of self-efficacy and treatability (except callousness) improved significantly over the course of the treatment. Differing levels of improvement were found for the client and therapist perspective of the therapeutic alliance, indicating they interpreted the alliance differently. Participants with high PCL-R factor one scores showed a decrease in coercion, compared to an increase by their counterparts with low PCL-R factor one scores. Participants with high PCL-R factor one scores also had higher overall scores on the CVTRQ readiness measure, and the participant’s perspective of the therapeutic alliance. Individually, six of the treatment participants made significant improvements on at least five of the seven responsivity measures. These findings and their implications for treatment of psychopathic offenders are discussed, along with the relevance of the study’s responsivity measures, the strengths and limitations of the research project, and future research in this area.

text: Evaluation of treatment responsivity in a psychopathic prison treatment sample Although punishment still dominates the criminal justice system, the progression of research on offending and imprisonment has led to a general consensus that rehabilitation programmes are the appropriate method to effectively reduce both recidivism and prison populations. Hence, many effective offender treatment programmes have been developed. This thesis evaluated phase one of a 10 month pilot treatment programme which used the theories and principles of effective programming to develop an effective programme for male high risk violent offenders assessed with elevated psychopathic personality (High Risk Personality Programme; HRPP), a population of offenders that is often regarded as treatment resistant. Specifically, phase one of the HRPP was designed to address the participants’ responsivity barriers (namely, antisocial interpersonal style) in order to increase self-efficacy, therapeutic alliance, treatability, and readiness, and to reduce perceived coercion in order to aid engagement and success in treatment. A sample of 11 male HRPP inmates had data collected before and after their 17-week first phase of the 10 month three-phase programme. Treatment contact comprised four sessions per week, including three group sessions of 2.5 hours, and 1 individual session of one hour, as well as a two-hour group cultural session that focused on Maori cultural identity (10 of the 11 men were Maori). The battery of tests employed included the Self-Efficacy Questionnaire; the responsivity and readiness scales of the Treatment Readiness Responsivity and Gain Scale; the Corrections Victoria Treatment Readiness Questionnaire, the Paulhus Deception Scale, and the therapist and client versions of the Working Alliance Inventory Short Form, the Perceived Coercion Scale, and an evaluation questionnaire. Demographic data was also collected. The results indicated that the majority of the participants came to the intervention ready or motivated to change. Perceived coercion remained low throughout the programme, representing the participant’s voluntary status. On average participants’ levels of self-efficacy and treatability (except callousness) improved significantly over the course of the treatment. Differing levels of improvement were found for the client and therapist perspective of the therapeutic alliance, indicating they interpreted the alliance differently. Participants with high PCL-R factor one scores showed a decrease in coercion, compared to an increase by their counterparts with low PCL-R factor one scores. Participants with high PCL-R factor one scores also had higher overall scores on the CVTRQ readiness measure, and the participant’s perspective of the therapeutic alliance. Individually, six of the treatment participants made significant improvements on at least five of the seven responsivity measures. These findings and their implications for treatment of psychopathic offenders are discussed, along with the relevance of the study’s responsivity measures, the strengths and limitations of the research project, and future research in this area.

year: 2010