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Heat treating-related failures

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130087
EISBN: 978-1-62708-284-6
... Abstract This chapter reviews various ways to classify failure categories and summarizes the basic types, causes, and mechanisms of damage, with particular consideration given to whether the likelihood of the types of damage can or cannot be influenced by the heat treating of steel parts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130311
EISBN: 978-1-62708-284-6
... this alternative tempering, which is discussed subsequently. Some heat treating failures are observed immediately after heat treatment and appear as small or (usually) large catastrophic cracks. However, other failure types related to heat treatment are only observed during tool use, when one notices premature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
... Abstract A systematic procedure for minimizing risks involved in heat treated steel components requires a combination of metallurgical failure analysis and fitness for service with respect to safety and reliability based on risk analysis. This chapter begins with an overview of heat treat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130395
EISBN: 978-1-62708-284-6
.... The common failure modes of heat treated powder metal parts are: Wear Fracture Dimensional instability because of plastic deformation Dimensional instability because of phase transformation Corrosion These can be related to deficiencies in mechanical or metallurgical properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
... Abstract This appendix provides detailed information on design deficiencies, material and manufacturing defects, and service-life anomalies. It covers ingot-related defects, forging and sheet forming imperfections, casting defects, heat treating defects, and weld discontinuities. It shows how...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050281
EISBN: 978-1-62708-311-9
... Abstract This chapter discusses quality control programs and procedures for induction heat-treating systems and includes related forms and checklists. induction hardening quality control EFFECTIVE SYSTEMS of quality control/quality assurance are essential for modern-day heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180029
EISBN: 978-1-62708-256-3
... solution heat treated at 885 °C (1625 °F) with an aluminum tag and wire attached. Once again, the aluminum melted during the heat treatment and started to erode into the A286. My first reaction was amazement that I would see this type of failure once again. After considering the differences...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090349
EISBN: 978-1-62708-266-2
... with shallow cracks, propagation is retarded or arrested. Last-pass heat-sink welding is a relatively new process and consequently has had limited application. It can be used to treat welds in operating plants as well as for repair/replacement operations. Fig. 15.7 Through-wall axial residual stresses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900325
EISBN: 978-1-62708-358-4
.... Heat Treatment Problems Tool Steel Trouble-Shooter The Tool Steel Trouble-Shooter ( Ref 1 ), published in 1952, states, “Faulty heat treatment causes most tool failures.” Whether or not this statement is still true today with current instrumentation and heat-treating equipment, every step...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410253
EISBN: 978-1-62708-280-8
... continued. Chapter 10: Product Launch Process / 259 Fig. 10.1 continued. 260 / Aluminum Castings Engineering Guide Fig. 10.2 Potential failure mode and effects analysis (FMEA) process. RPN, risk priority number Chapter 10: Product Launch Process / 261 Radioscopic inspection Heat treat rack loading...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130255
EISBN: 978-1-62708-284-6
... on the effects of materials and quench process design on distortion of steel during heat treating. Details on stress raisers and their role in quench cracking are then presented. The chapter ends with various selected case histories of failures attributed to the quenching process. quenching phase...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.t59380191
EISBN: 978-1-62708-456-7
... with nonferrous heat treatments. The processes involved in cold working of certain ferrous and nonferrous alloys are also covered. carbonitriding carburizing failure analysis furnaces heat treating problems nitriding quenching media FAILURE ANALYSTS need to develop an understanding of heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140061
EISBN: 978-1-62708-335-5
... heat treatment, quenching, precipitation hardening, and annealing of aluminum alloys. The effects of these processes on dimensional stability and residual stresses are also discussed. Troubleshooting and diagnosis of heat treating problems are covered in the concluding section of the chapter...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130285
EISBN: 978-1-62708-284-6
... shown to be an important failure related to heat treatment. In this chapter, the causes and cases associated with problems originated by tempering are reviewed. However, to provide background on this phenomenon, a brief description of the martensite reactions and the steel heat treatment of tempering...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1985
DOI: 10.31399/asm.tb.sagf.t63420129
EISBN: 978-1-62708-452-9
... Abstract This chapter focuses on the causes of gear failure under five major headings. These include basic material, focusing on steel, engineering, focusing on the integration of design, manufacturing, heat treatment, and service application. design integration failure analysis heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430343
EISBN: 978-1-62708-253-2
... Abstract This chapter examines boiler tube failures attributed to operation-related causes. It discusses failures due to rapid start-ups, excessive load swing, excessive heat inputs, poor water chemistry control, and water-treatment methods. boiler tubes operation-related failures water...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770135
EISBN: 978-1-62708-337-9
..., implying that a heat-treated part is to be sacrificed to permit the necessary sectioning and hardness testing. In such instances, the hardness tests are carried out as a standard procedure in which test impressions are made at specified locations. For gear teeth, these might be at the center of the tooth...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... Abstract This chapter provides an overview of the possible mechanisms of failure for heat treated steel components and discusses the techniques for examining fractures, ductile and brittle failures, intergranular failure mechanisms, and fatigue. It begins with a description of the general...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
... due to service-related causes, such as misalignment, poor lubrication, and overloading, which constitute the greatest source of all gear failures, as shown in Table 2 ( Ref 7 ). Heat treatment was the second most often cited cause for failure. However, it is often difficult to detect the root cause...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270102
EISBN: 978-1-62708-301-0
... Phosphorus 0.007 … Hardness The average hardness at 10 kg load was 370 HV on the failed bolt and 430 HV on the raw material. Low-Cycle Fatigue Tests Low-cycle fatigue tests were carried out on heat treated and phosphated samples at stress amplitude of 904 MPa and plastic strain amplitude...