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Sintering (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
... core of the socket indicating loose spherical particles showing poor sintering step in powder metallurgy (PM) production process or inclusion particles. Figures 6 and 7 show dimples indicative of some plastic deformation ductile fracture on grain boundaries possibly due to secondary cracking...
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 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
... to ensure a bimodal microstructure were recommended. Ceramic coatings Sintering (powder metallurgy) Surgical implants Ti-6Al-4V ELI UNS R56407 Fatigue fracture Background Visual Examination of General Physical Features Testing Procedure and Results Discussion Conclusion...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... considerations, and quality assurance. The emphasis is on the design and metallurgical aspects for the two main types of metal AM processes: powder-bed fusion (PBF) and directed-energy deposition (DED). The article also describes the processes involved in binder jet sintering, provides information on the design...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... the melting temperature of the matrix, finely powdered matrix additives can be included in the refractory mix. Because the matrix is a flux in sintering, these additions require higher sintering temperatures to optimize the bonding and the mechanical properties of the resulting products. The logic of reducing...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006826
EISBN: 978-1-62708-329-4
...., Friction, Lubrication, and Wear Technology , Vol 18 , ASM Handbook , ASM International , 2017 , p 740 10.31399/asm.hb.v18.9781627081924 21. Samal P. and Newkirk J. , Ed., Powder Metallurgy , Vol 7 , ASM Handbook , ASM International , 2015 , p 385 – 394 10.31399...
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
..., 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 during configuration design...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4
..., age-hardening aluminum alloys, etc.), its general product form (e.g., wrought, cast, powder metallurgy, additive manufacture, 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 during...
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
... track wheel that cracked due to the presence of an extensive grain-boundary carbide film. Specimen etched with nital Fig. 33 Light micrograph of a melted region found on an AISI D2 powder metallurgy die after heat treatment. Specimen etched with Marble's reagent Abstract Abstract...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
.... , Salinas-Bravo V.M. , Arrieta-Gonzalez C.D. , Ramos-Hernandez J.J. , and Cuevas-Arteaga C. , Electrochemical Performance of Ni20Cr Coatings Applied by Combustion Powder Spray in ZnCl 2 -KCl Molten Salts , Int. J. Electrochem. Sci. , Vol 7 , 2012 , p 1134 – 1148 82. Lai G.Y...
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
... for sectioning sintered carbides, ceramic materials, thermally sprayed coatings, printed circuit boards, electronic components, bone, teeth, and so on. The primary purpose of mounting metallographic specimens is for convenience in handling specimens of difficult shapes or sizes during the subsequent steps...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... 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 undamaged part of the same...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
.... Intergranular brittle fracture is very prevalent in ceramic materials and is often present in poorly sintered powder metallurgy constructs. It is necessary for the practicing failure analyst to understand that intergranular brittle fracture is not always due to defects and improper processing. This mechanism...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... in poorly sintered powder-metallurgy constructs. It is necessary for the practicing failure analyst to understand that intergranular brittle fracture is not always due to defects and improper processing. This mechanism can result from well-controlled processes that provide benefit that can outweigh...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
..., a 230 mm (9 in.) diameter disk attrition mill was scheduled to grind 6.35 mm (0.25 in.) diameter quartz particles to a 0.075 mm (0.003 in.) diameter powder. Due to severe wear on the grinding plates, however, the unit was unable to complete the task of grinding the rock. The unit was disassembled...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
...-based knowledge of the mechanical situation found in the wear environment. A good background in metallurgy, ceramic science, or materials science is also necessary. In addition, access to investigative diagnostic tools is required for examination of worn surfaces and structures on both a macroscopic...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... surfaces. The process is generally not suited to inspection of low-density powder metallurgy parts or other porous materials. The technique involves the spreading of a liquid penetrant on the sample. Liquid penetrants can seep into small cracks and flaws (as fine as 1 μm) in the surface...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006825
EISBN: 978-1-62708-329-4
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4