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prealloyed powder metallurgy

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Published: 30 September 2015
Fig. 10 Example of the impact of repressing on the mechanical properties of a sintered prealloyed powder metallurgy bronze. Courtesy of SCM Metal Products, Inc. More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006106
EISBN: 978-1-62708-175-7
..., and nickel-silver. brass alloys bronze compaction dies hydraulic pressing machines lubricant nickel-silver powder metallurgy powder pressing prealloyed bronze sintering structural defects BRONZE AND BRASS ALLOYS are two key classes of materials in copper-base powder metallurgy (PM...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006140
EISBN: 978-1-62708-175-7
... Abstract Prealloyed (PA) powder metallurgy is a technique where complex near-net shape titanium aircraft components are fabricated with low buy-to-fly ratios. This article describes the physical principle, mechanism, and simulation and modeling of metal can and hot isostatic pressing (HIP...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006095
EISBN: 978-1-62708-175-7
... Abstract This article focuses on mechanical testing characterization of blended elemental powder metallurgy (PM) titanium alloys and prealloyed PM titanium alloys. It examines the tensile properties, fracture toughness, stress-corrosion threshold resistance, fatigue strength, crack propagation...
Image
Published: 01 January 1990
Fig. 14 Effect of re-pressing on density of powder metallurgy compacts. Alloy steel powders (4640 composition) were compacted at various pressures, then sintered, re-pressed, and resintered. For each specimen, the final density is indicated by the intersection between the curve that indicates More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006081
EISBN: 978-1-62708-175-7
... widely used materials for ferrous powder metallurgy. The article provides information on the properties and applications of these powders. It also includes an overview of diffusion alloying, basics of admixing, and bonded premixes. carbonyl iron powder diffusion alloying diffusion bonding...
Image
Published: 30 September 2015
Fig. 10 Comparison of the room-temperature fatigue life scatter bands of blended elemental (BE) and prealloyed (PA) Ti-6Al-4V compacts to that of a mill-annealed ingot metallurgy (IM) alloy. Blended elemental alloys were consolidated from chlorine-containing sponge fines blended with master More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006101
EISBN: 978-1-62708-175-7
... Abstract This article summarizes the general classification, mechanical properties, and applications of ferrous powder metallurgy (PM) materials for parts production. It discusses four principal ferrous PM alloy types: admixed elemental alloys, diffusion alloys, prealloys, and hybrid alloys...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006094
EISBN: 978-1-62708-175-7
... prime. This article provides a discussion on the conventional processing, compositions, characteristics, mechanical properties, and applications of powder metallurgy (PM) superalloys. The conventional processing of PM superalloys involves production of spherical prealloyed powder, screening...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003119
EISBN: 978-1-62708-199-3
... Abstract Stainless steel powder metallurgy (P/M) parts represent an important and growing segment of the P/M industry. This article describes the processing, properties, and composition of medium-density and high-density P/M stainless steels. Medium-density materials are processed by pressing...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001083
EISBN: 978-1-62708-162-7
... Abstract This article focuses on the mechanical properties, production of titanium powder metallurgy (P/M) compacts, namely, blended elemental (BE) compacts and prealloyed (PA) compacts. It explains the postcompaction treatments of titanium P/M compacts, including heat treatment...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006111
EISBN: 978-1-62708-175-7
... Abstract This article provides information on the most frequently used atmospheres in commercial sintering of powder metallurgy iron and steel materials. These include endothermic, exothermic, dissociated ammonia, pure hydrogen, and nitrogen-base atmospheres. The article discusses sintering...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003135
EISBN: 978-1-62708-199-3
... Abstract This article discusses the characteristics, properties, and production methods of copper powders and copper alloy powders. Bulk of the discussion is devoted to production and applications of powder metallurgy (P/M) parts, including pure copper P/M parts, bronze P/M parts, brass...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003789
EISBN: 978-1-62708-177-1
... equipment and techniques and provides data on etchants and etching procedures. specimen grinding liquid-phase sintering macroexamination metallographic examination microstructure particle size analysis powder metallurgy alloys particle shape analysis specimen polishing specimen preparation...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003112
EISBN: 978-1-62708-199-3
... Abstract Iron powders are the most widely used powder metallurgy (P/M) material for structural parts. This article reviews low to medium density iron and low-alloy steel parts produced by the pressing and sintering technology. It explains different powder production methods, including Hoeganaes...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006110
EISBN: 978-1-62708-175-7
.... Engstrom U. , Influence of Sintering Temperature on Properties of Low Alloyed High Strength PM Materials , Advances in Powder Metallurgy & Particulate Materials , Metal Powder Industries Federation , 2001 18. Frykholm R. and Bergman O. , Chromium Prealloyed PM Steels suitable...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005971
EISBN: 978-1-62708-168-9
... Abstract Powder metallurgy (PM) processes include press and sinter hardening, metal injection molding, powder forging, hot isostatic pressing, powder rolling, and spray forming. This article provides an overview of PM processing methods and general considerations of heat treatment of PM parts...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001044
EISBN: 978-1-62708-161-0
... Abstract Certain metal products can be produced only by powder metallurgy; among these products are materials whose porosity is controlled. Successful production by powder metallurgy depends on the proper selection and control of process variables: powder characteristics; powder preparation...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006132
EISBN: 978-1-62708-175-7
... Abstract The powder metallurgy (PM) process is a relatively efficient and economic process that can be used to produce high quantities of aluminum components with a reasonable degree of precision and finds application in camshaft bearing cap (cam cap) production. The article discusses...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006019
EISBN: 978-1-62708-175-7
... Abstract The organizations that are most active in the development of standards for powder metallurgy (PM) are the American Society for Testing and Materials (ASTM), Metal Powder Industries Federation (MPIF), and International Standards Organization (ISO). This article presents the test method...