1-20 of 51 Search Results for

martempering

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1996
DOI: 10.31399/asm.tb.phtpclas.t64560235
EISBN: 978-1-62708-353-9
... that more and finer pearlite is formed upon air cooling a 0.5% C, plain carbon steel Fig. 7-19 Schematic isothermal TTT diagram showing the heat treatment of martempering. (Adapted from H. Webster and W.J. Laird, Jr., in Metals Handbook , Vol 4, p 137, Heat Treating , ASM International...
Image
Published: 01 June 2008
Fig. 11.25 Typical martempering heat treatment More
Image
Published: 01 November 2013
Fig. 18 Typical martempering heat treatment. Source: Ref 1 More
Image
Published: 01 December 1996
Fig. 7-19 Schematic isothermal TTT diagram showing the heat treatment of martempering. (Adapted from H. Webster and W.J. Laird, Jr., in Metals Handbook , Vol 4, p 137, Heat Treating , ASM International, Materials Park, Ohio (1991), Ref 6 ) More
Image
Published: 01 December 1995
Fig. 24-14 Types of quench cycles. A, Conventional quench and temper; B, Martempering; C, Isothermal quenching and tempering; D, Austempering More
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310163
EISBN: 978-1-62708-326-3
... of the soft austenite into martensite or lower bainite in the hardening operation. The chapter provides information on various quenching systems and a description of quenching techniques, namely austempering, martempering, and patenting. Difficulties associated with hardening of steel are discussed. Further...
Image
Published: 01 November 2007
Fig. 12.2 Cooling curve at the surface and center of a martempered bar of 5140 steel superimposed on the continuous transformation curve. Solid curves are molten salt quench baths; dashed curves are hot oil quench baths More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240177
EISBN: 978-1-62708-251-8
..., formability, and machinability. This chapter discusses various heat treatment processes, namely annealing, stress relieving, normalizing, spheroidizing, and hardening by austenitizing, quenching and tempering. It also discusses two types of interrupted quenching processes: martempering and austempering...
Image
Published: 01 January 2015
Fig. 20.3 Schematic time-temperature-transformation diagrams showing surface and center cooling rates for (a) conventional quenching, (b) martempering, and (c) modified martempering. Source: Ref 20.4 More
Image
Published: 01 March 2006
Fig. 4 Time-temperature-transformation diagrams with superimposed cooling curves showing quenching and tempering. (a) Conventional process. (b) Martempering. (c) Modified martempering. Source: Ref 4 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140117
EISBN: 978-1-62708-264-8
... on the transformations that occur at different cooling rates and the extent to which they can be changed by adjusting quench parameters. It discusses the role of quenching in martempering and austempering along with related problems such as cracking and distortion and the challenges posed by low-hardenability steels...
Image
Published: 01 August 2018
Fig. 10.67 Effect of the repetition of treatment cycles involving subzero treatment and tempering (or tempering and subzero treatment) on the dimensional stability of tool steel calipers martempered (see the section 10.6 “Martempering” in this chapter). Source: Ref 41 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440207
EISBN: 978-1-62708-262-4
... relieving, annealing, normalizing, surface hardening, quenching, martempering, austempering, and flame and induction hardening. annealing austempering carbon equivalent ductile cast iron flame hardening gray cast iron induction hardening malleable cast iron martempering normalizing quenching...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440125
EISBN: 978-1-62708-262-4
... treatment of alloy steels and of boron on hardenability of alloy steels are then discussed. Procedures for heat treating four specific alloy steels (4037, 4037H; 4140, 4140H; 4340, 4340; and E52100) are subsequently presented. The chapter concludes with a brief account of austempering and martempering...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410487
EISBN: 978-1-62708-265-5
... temperature. Martempering or interrupted quenching is a hardening treatment that consists of quenching to a temperature just above the M s temperature of a steel, usually by quenching into a molten salt bath, holding for a time sufficient to equalize temperature through the part, and then air cooling...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310203
EISBN: 978-1-62708-326-3
... information on martempering of steel. alloying annealing carbon steel hardenability low-alloy steel normalizing quenching tempering HEAT TREATMENT of steel involves a number of processes to condition the microstructure and obtain desired properties, as described in preceding chapters...
Image
Published: 31 December 2020
Fig. 12 Time-temperature transformation diagrams with superimposed cooling curves showing modified martempering and tempering More
Image
Published: 31 December 2020
Fig. 11 Time-temperature transformation diagrams with superimposed cooling curves from quenching: (a) conventional, (b) martempering. After quenching, both require tempering (not indicated here). More
Image
Published: 01 August 2018
Fig. 10.79 During quenching (a), surface and core of the part will reach the M s temperature at different times, increasing the stresses in quenching. During martempering (b), a short isothermal intermediate hold makes it possible to homogenize the temperature of the part before it reaches M More
Image
Published: 01 March 2006
, Q 3 ) higher than the critical cooling rate result in martensitic structure on quenching to room temperature, or in bainite (austempering) or martempering according to the temperature of quenching. Source: Ref A.4 More