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Published: 01 January 1989
Fig. 5 Grindability of P/M high-speed tool steel and conventional high-speed tool steel materials. Grindability index is the ratio of the volume of material removed to the volume of grinding wheel wear. More
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Published: 01 January 1990
Fig. 14 Broaching application. (a) Tool made from P/M high-speed tool steel that was used to produce ball tracks on joint hub. (b) ASP 30 tools produced 20,000 parts compared to 5600 parts by tools made from conventional high-speed tool steel. Courtesy of Speedsteel Inc. More
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Published: 01 January 1990
Fig. 15 Large broaching tool made from P/M high-speed tool steel that was used for broaching involute splines in bores of truck transmission gear blanks. Courtesy of Crucible Materials Corporation More
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Published: 01 January 1989
Fig. 17 Broaching application. (a) Tool made of P/M high-speed tool steel that was used to produce ball tracks on joint hub. (b) ASP 30 tools produced 20,000 parts compared to 5600 parts by tools made from conventional high-speed tool steel. Courtesy of Speedsteel Inc. More
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Published: 01 January 1989
Fig. 18 Large broaching tool made from P/M high-speed tool steel that was used for broaching involute splines in bores of truck transmission gear blanks. Courtesy of Crucible Materials Corporation More
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Published: 01 January 1989
Fig. 21 Turning data for 58 HRC high-speed tool steel cut with a CBN tool having a −6° rake. Depth of cut was 2 mm (0.08 in.), and V C was 1.33 m/s (260 sfm). (a) Metal removal rate plotted against normal force yields the metal removal parameter of 7.0 mm 3 /s, kgf. (b) Power consumption More
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Published: 01 January 1990
Fig. 8 Comparison of cutting edge wear of a conventional high-speed tool steel and a P/M high-speed tool steel. (a) Cutting edge of tool made of conventional AISI M2 material showing severe microchipping. (b) Cutting edge of tool made of P/M-processed ASP 23 material showing no microchipping More
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Published: 01 January 1989
Fig. 6 Microstructure of fully annealed high-speed tool steel consisting of ferrite (iron) and alloy carbides. 1000× More
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Published: 01 January 1989
Fig. 7 Microstructure of hardened, tempered high-speed tool steel having martensitic structure with carbides. 1000× More
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Published: 01 January 1989
Fig. 9 Time-temperature-transformation diagram for M2 high-speed tool steel that was annealed prior to quenching. Austenitizing temperature was 1230 °C (2250 °F), and critical temperature was 830 °C (1530 °F). More
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Published: 01 January 1989
Fig. 10 Tempering curve for M2 high-speed tool steel. To optimize the transformation of retained austenite to fresh martensite during the tempering sequence, the high (right) side of the secondary hardness peak curve is preferred, and the low (left) side should be avoided. More
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Published: 01 January 1989
Fig. 2 Comparison of microstructures of conventional high-speed tool steel and P/M high-speed tool steel. (a) Conventional high-speed tool steel microstructure showing carbide segregation. (b) Microstructure of P/M processed ASP steel showing small, uniformly distributed carbide particles More
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Published: 01 January 1989
Fig. 3 Comparison of cutting edge wear of a conventional high-speed tool steel and a P/M high-steel tool steel. (a) Cutting edge of tool made of conventional AISI M2 material, showing severe microchipping. (b) Cutting edge of tool made of P/M-processed ASP 23 material, showing no microchipping More
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Published: 01 January 1989
Fig. 15 Methods of producing high-speed tool steel end mills. (a) Conventional process in which flutes are milled in prior to hardening. (b) Improved process in which flutes are ground in with a CBN wheel after hardening. The new process proved to be more cost effective and produced an end More
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Published: 01 December 2004
Fig. 32 AISI M2 molybdenum high-speed tool steel, spheroidize annealed. 4% picral. 1000× More
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Published: 01 December 1998
Fig. 11 Primary carbide size distribution of T15 high-speed tool steel produced conventionally and by P/M processing More
Book Chapter

By Alan M. Bayer, Bruce A. Becherer
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002121
EISBN: 978-1-62708-188-7
... Abstract This article discusses the classifications of high-speed tool steels and describes alloying elements and their effects on the properties of high-speed tool steels. It analyzes the heat treatment of high-speed tool steels, namely, preheating, austenitizing, quenching, and tempering...
Book Chapter

By Kenneth E. Pinnow, William Stasko
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002122
EISBN: 978-1-62708-188-7
... Abstract This article describes procedures for producing powder metallurgy high-speed tool steel powder by inert-gas atomization, followed by compaction by hot isostatic pressing. These include the anti-segregation process (ASP) and the crucible particle metallurgy (CPM) process. The article...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005975
EISBN: 978-1-62708-168-9
... Abstract This article focuses on various heat treatment practices recommended for different types of high-speed tool steels. Commonly used methods include annealing, stress relieving, preheating, austenitizing, quenching, tempering, carburizing, and nitriding. The article describes hardening...
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Published: 01 January 1989
Fig. 20 Tool bits made from P/M high-speed tool steels. Courtesy of Crucible Materials Corporation More