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  1
Sep
2023
Research Results
Ventilation Design and Procedures for Passenger Rail
Author
          Federal Railroad Administration

Subject
                    Rolling Stock

**Keywords:** The Federal Railroad Administration (FRA) sponsored research by the John A. Volpe National Transportation Systems Center (Volpe Center) to study the principles of fire growth and smoke management, as well as the current state of standards and regulation i
**Abstract:** The Federal Railroad Administration (FRA) sponsored research by the John A. Volpe National Transportation Systems Center (Volpe Center) to study the principles of fire growth...
Report Number
              RR 23-17

  Office
              RDI-22
    21
Aug
2023
Research Results
Tests to Create Broken Rims in Railroad Wheels
Author
          Federal Railroad Administration

Subject
                    Rolling Stock

**Keywords:** Wheel, broken rim, vertical split rim
**Abstract:** The FRA Office of Research, Development, and Technology and the Association of American Railroads (AAR) support research conducted by Transportation Technology Center, Inc. (...
Report Number
              RR 23-11

  Office
              RDI-22
    21
Aug
2023
Research Results
Summary of Charpy and Dynamic Tear Testing of Bolster Samples
Author
          Federal Railroad Administration

Subject
                    Rolling Stock

**Keywords:** Charpy, dynamic tear, bolster, side frame, brittle failure
**Abstract:** The Federal Railroad Administration (FRA) collaborates with the Association of American Railroads’ (AAR) Coupling System and Truck Castings Committee and Transportation...
Report Number
              RR 23-12

  Office
              RDI-22
    21
Aug
2023
Research Results
Investigation of Radiography Technology for Bolster and Side Frame Inspections
Author
          Federal Railroad Administration

Subject
                    Rolling Stock

**Keywords:** Radiography, grade B+, nondestructive testing, NDT, casting defects
**Abstract:** Information about inhomogeneous areas in castings before they leave the manufacturer could provide useful information for manufacturers and customers. Some of this information...
Report Number
              RR 23-13

  Office
              RDI-22
    21
Aug
2023
Research Results
Tensile Test Results of Samples Taken from Critical Areas of Bolsters
Author
          Federal Railroad Administration

Subject
                    Rolling Stock

**Keywords:** Bolsters, tensile test, brittle failure, castings, grade B+
**Abstract:** The Federal Railroad Administration (FRA) collaborated with the Association of American Railroads’ (AAR) Coupling System and Truck Castings Committee and Transportation...
Report Number
              RR 23-14

  Office
              RDI-22

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