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powder metallurgy

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001784
EISBN: 978-1-62708-241-9
...Abstract Abstract A 13/16-in. hex socket failed while in use. Analysis (hardness testing, optical and scanning electron microscopy, and EDS) revealed that the socket was made of low carbon steel formed in a powder metallurgy process. A number of flaws were found including nonuniform wall...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047793
EISBN: 978-1-62708-217-4
... a hardness of approximately 630 HV. The microstructure of the metal in the impeller exhibited scattered porosity and carbide particles and appeared to be a sintered powder metallurgy compact. Metallographic examination of a section through the damaged splines and of a section through the adjacent...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.9781627081801
EISBN: 978-1-62708-180-1
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001265
EISBN: 978-1-62708-215-0
... of the failure are discussed in this study. Some of the retrieved implants were severely damaged from postfracture abrasion and from removal. Acknowledgments Ceramic coatings Sintering (powder metallurgy) Surgical implants Ti-6Al-4V ELI UNS R56407 Fatigue fracture ...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
... steel, low-alloy steel, stainless steel, age-hardening aluminum alloys, etc.), its general product form (e.g., wrought, cast, powder metallurgy, etc.), and the processing method (e.g., forged, die cast, injection molded, etc.). All of these factors must be considered when the shape of a part is defined...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
... of failure that are associated with wrought metals and metalworking. This includes a brief review of the discontinuities or imperfections that may be common sources of failure-inducing defects in bulk working of wrought products. This article does not address powder metallurgy (P/M). A good review of powder...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001548
EISBN: 978-1-62708-219-8
... a materials engineer, with a strong background in metallurgy. He was not expert in wood or wood products. More information was sought from the wood products industry. The two most helpful sources were the Douglas Fir Plywood Assn., and a competitor of the supplier of the panels. Of course, the identity...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001665
EISBN: 978-1-62708-231-0
.... Briggs C. W. , Hot Tears in Steel Castings , Steel Founders' Society of America , Rocky River, Ohio ( 1968 ). 4. Bishop H. F. , Ackerline C. G. and Pellini W. S. , “Metallurgy and Mechanics of Hot Tearinq,” Trans. Amer. Foundrymen's Society , Vol. 60 , pp. 818 – 833...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... powder metallurgy die that was deformed at one end after heat treatment. Light microscopy revealed that the steel was locally melted in this region, apparently due to flame impingement during austenitization. Fig. 33 Light micrograph of a melted region found on an AISI D2 powder metallurgy die...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001753
EISBN: 978-1-62708-241-9
... J.E. (ed.): Chapter 8: properties of commercial casting alloys . In: Aluminum: Properties and Physical Metallurgy , pp. 338 , 347 . ASM , Metal Park, OH ( 1984 ) 4. Mehl R.F. , Bankard M.H. , Federico A.M. , Fortin P.E. : Microstructure of aluminum alloys...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... in order to determine the mechanical properties of the material specific to the failure location and load direction. Almost all materials, save perhaps parts made by powder metallurgy processes, demonstrate anisotropic behavior. Anisotropic behavior means that the mechanical properties are different...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
.... , Cavitation Erosion of Flame Spray Weld Coating of Nickel-Base Powder , Wear , Vol 189 , 1995 , p 20 – 24 25. Zimmerly C.A. and Inal O.T. , Dept. of Materials and Metallurgical Engineering , and Richman R.H. , Daedalus Associates Inc., unpublished research, New Mexico Institute...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001598
EISBN: 978-1-62708-232-7
.... : Physical Metallurgy Principals , 2nd ed. , Litton Educational Publishing Inc. , New York, NY , 1973 , pp. 865 – 77 . 4. Langdon T.G. and Mohamed F.A. : Mater. Sci. Eng. , 1978 , vol. 32 , pp. 103 – 12 . 10.1016/0025-5416(78)90029-0 Selected Reference • Creep...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
... A. , Nyborg L. , and Jelvestam U. , Galling Related Surface Properties of Powder Metallurgical Tool Steels Alloyed with and without Nitrogen , Wear , Vol 269 , 2010 , p 229 – 240 10.1016/j.wear.2010.03.025 154. Groche P. , Christiany M. , and Wu Y. , Load-Dependent Wear...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
... of Materials , Reston, VA , Ludema K.C. , Ed., American Society of Mechanical Engineers , 11–14 April 1983 , p 576 – 582 Polymer composites are extensively used for sliding components in earth-moving equipment, rock- and ore crushers, dies in powder metallurgy, extruders and chutes...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
... of the tribological system, for example, grinding mills, conveyors of minerals, grinding media, or molds in powder metallurgy. Table 5 lists the main parameters influencing abrasive wear by hard particles. In general, wear increases as the listed parameters increase in intensity. Table 5 Parameters...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
..., it was determined that the inclusions were typical for the material. The data were used to determine that the composition and metallurgy of the PH steel were adequate and in this case had not contributed to failure. Fig. 7 Precipitate in a precipitation-hardened (PH) steel fracture surface, labeled...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001815
EISBN: 978-1-62708-180-1
... of cast irons, powder-metallurgy materials, nonferrous alloys, and nonmetallic materials are used in gears, but steels, because of their high strength-to-weight ratio and relatively low cost, are the most widely used gear materials. Consequently, steel gears receive primary consideration in this article...