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temper embrittlement

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Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310163
EISBN: 978-1-62708-326-3
.... Further, the chapter describes the equipment used for and principal variables of tempering. It discusses the causes for various forms of embrittlement due to tempering. Information on multiple tempering, protective-atmosphere tempering, and selective tempering are also provided, along with processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410439
EISBN: 978-1-62708-265-5
... shortness associated with copper and overheating and burning as occur during forging. It addresses various types of embrittlement, including quench embrittlement, tempered-martensite embrittlement, liquid-metal-induced embrittlement, and hydrogen embrittlement, and concludes with a discussion on high...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740271
EISBN: 978-1-62708-308-9
... various steels respond to heat treatments, such as annealing, normalizing, spheroidizing, tempering, and direct and interrupted quenching, and surface-hardening processes, such as flame and induction hardening, carburizing, nitriding, and carbonitriding. It also addresses the issue of temper embrittlement...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130285
EISBN: 978-1-62708-284-6
... microstructural transformation. A section describing the types of embrittlement from tempering, along with mechanical tests for the determination of temper embrittlement (TE), is presented. Various factors involved in the interaction of the TE phenomenon with hydrogen embrittlement and liquid-metal embrittlement...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240177
EISBN: 978-1-62708-251-8
... chapter concludes with a brief section on temper embrittlement. heat treatment ductility formability machinability annealing stress relieving normalizing spheroidizing austenitizing quenching tempering martempering austempering temper embrittlement steel ONE OF THE PRIMARY...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170123
EISBN: 978-1-62708-297-6
... alloying on processing characteristics such as hardenability, formability, weldability, machinability, and temper embrittlement. In addition, the article provides an extensive amount of engineering data with relevance in materials selection. carbon steel corrosion resistance hardenability notch...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140099
EISBN: 978-1-62708-264-8
... embrittlement, and the effect of wt% carbon on toughness. It also explains how alloying elements improve the hardenability and tempering response of plain carbon steels. alloying elements ductility hardenability steels tempering toughness THE IMPORTANCE OF TEMPERING can be illustrated through a...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410373
EISBN: 978-1-62708-265-5
... supersaturation of as-quenched martensite is relieved and equilibrium mixtures of phases are approached with increased tempering intensity. Embrittlement phenomena that develop on tempering and additional characterization of quenched and tempered steel mechanical behavior are presented in later chapters...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560283
EISBN: 978-1-62708-291-4
... cooled through, the temperature range of about 375 to 575 °C. The path of the fracture in embrittled material is largely along the prior austenitic grain boundaries. Although most commonly encountered in steels in the quenched-and-tempered condition, it also can occur in steels in the bainitic and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870099
EISBN: 978-1-62708-299-0
... longitudinal direction, lowest in the short-transverse direction, and intermediate in other directions. These differences are most noticeable in the more susceptible tempers but are usually much lower in tempers produced by extended precipitation treatments, such as T6 and T8 tempers for 2 xxx alloys and T73...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410405
EISBN: 978-1-62708-265-5
... produce low-toughness and brittle fractures that limit the application of hardened steels. Because of embrittlement phenomena, steels with martensitic and tempered martensitic microstructures are sometimes considered to be generally brittle. This characterization is true only for certain steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060197
EISBN: 978-1-62708-261-7
... Abstract This chapter discusses the types, methods, and advantages of heat treating procedures, including annealing, normalizing, tempering, and case hardening. It describes the iron-carbon system, the formation of equilibrium and metastable phases, and the effect of alloy elements on...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090241
EISBN: 978-1-62708-266-2
... chapter describes those conditions, focusing initially on the effects of alloying elements and temper on solution potential and how it compares to other metals. It then addresses the issue of intergranular corrosion and its role in SCC. It explains how factors such as stress loads, grain structure, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310203
EISBN: 978-1-62708-326-3
... Abstract Heat treatment of steel involves a number of processes to condition the microstructure and obtain desired properties. This includes various methods namely, annealing, normalizing, and hardening by quenching and tempering. This chapter focuses on general heat treatment procedures and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770171
EISBN: 978-1-62708-337-9
... Abstract This chapter familiarizes readers with tempering and refrigeration treatments and their effect on case-carburized parts. It explains how tempering makes such parts easier to machine, more structurally and dimensionally stable, and more durable in certain applications. It identifies key...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090067
EISBN: 978-1-62708-266-2
... ). Triple remelting (air melting + VIM + VAR) is carried out for aerospace grades to produce very low levels of carbon, manganese, sulfur, and phosphorus ( Ref 3.3 ). Quenched and tempered steels are prone to temper embrittlement because of the migration of tramp elements such as arsenic, antimony, and...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630081
EISBN: 978-1-62708-270-9
...) exposure Strength increases, toughness and ductility decrease Stress-relief embrittlement Alloy and stainless steel Postweld heat treatment Toughness decreases Temper embrittlement Carbon and low-alloy steel 375–575 °C (700–1070 °F) exposure Increase in DBTT Tempered martensite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270196
EISBN: 978-1-62708-301-0
... indicated brittle intergranular failure. The most probable cause of the failure was hydrogen embrittlement. Max screws failed during assembly in fuel-injection pumps. Their specified heat treatment was hardening and tempering to 33 to 39 HRC, to be followed by zinc plating, passivation, and tempering...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610055
EISBN: 978-1-62708-303-4
.... , “ Toughness of Tempered Bainitic Microstructures in a 4150 Steel ,” Master’s thesis, University of Tennessee, 1990 5. Van Stone R.H. and Cox T.B. , Use of Fractography and Sectioning Techniques to Study Fracture Mechanisms , Fractography: Microscopic Cracking Mechanisms , STP 600...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270070
EISBN: 978-1-62708-301-0
... in some of the facets. Figure CH3.4 is a metallograph showing the fracture path. There is clear evidence of intergranular cracking. The microstructure showed tempered martensite, which is normal for this class of steel. A hardness survey along the length of the bolt indicated uniform hardness of 45...