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Heat treating-related failures

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
... also provides information on the methods of minimizing distortion and tempering. The article concludes with a discussion on the effect of heat treatment processes on microstructure/property-related failures. cooling cracking distortion heat treatment metallurgical crystal structure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
...: Type Location Circumstances at time of failure Service life History: Service behavior of other materials Unusual conditions before failure Fabricating operations, sequence Maintenance operations, sequence Heat-treating operations, sequence...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0047694
EISBN: 978-1-62708-219-8
... welded joints withstood the tensile and wrap tests. Austenite Phase transformations Post heating Tempering 1080 UNS G10800 Joining-related failures Extra high strength zinc-coated 1080 steel welded wire, 2.0 ± 0.08 mm (0.080 ± 0.003 in.) in diameter, was wound into seven-wire cable...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001552
EISBN: 978-1-62708-217-4
... plating Crankshafts Magnetic particle testing Nitriding Surface grinding 4340 UNS G43400 Fatigue fracture Metalworking-related failures Surface treatment related failures Fig. 1 illustrates a crankshaft of AISI 4340, heat treated and nitrided all over, which failed in bending fatigue. The...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001430
EISBN: 978-1-62708-236-5
... to heat-affected zone cracking, residual stresses, the lower fatigue strength of the weld deposited metal, and weld defects. Repair welding Shafts (power) Weld defects Fe-0.6C Joining-related failures Fatigue fracture It is true to say that the construction of engineering plant...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001545
EISBN: 978-1-62708-236-5
.... Failure was actually caused by overload. Had the original conclusion been accepted, a relatively exotic alloy would have been specified. In another case, brass heat exchanger tube failure was automatically attributed to attack by an acidic cleaner, and a decision was made to stop using the solution. A...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
...-working and hot-working applications. It reviews problems introduced during mechanical design, materials selection, machining, heat treating, finish grinding, and tool and die operation. The brittle fracture of rehardened high-speed steels is also considered. Finally, failures due to seams or laps...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... (containing heat and mass). Refractories for heat containment only are called insulating materials. Insulating materials are not covered specifically in the context of corrosion failures. The accepted definition for industrial refractories is, according to the ASTM ( Ref 1 ), “Nonmetallic materials having...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001592
EISBN: 978-1-62708-228-0
... developed to control and avoid those failures. This study presents various failure cases of sucker rods in different applications. The heat treatment of the steel material and the resulting microstructure are an important factor in the behavior of the sucker rod. A spheroidized microstructure presents a...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
... failures, corrective actions are recommended to prevent or delay recurrence of failures. The approaches to corrective and preventive actions include: Change in the environment Change in the alloy or heat treatment Design change Use of galvanic protection (cathodic protection and anodic...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... Abstract This article focuses on the mechanisms of microbially induced or influenced corrosion (MIC) of metallic materials as an introduction to the recognition, management, and prevention of microbiological corrosion failures in piping, tanks, heat exchangers, and cooling towers. It discusses...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... Abstract This article focuses on the mechanisms of microbiologically influenced corrosion as a basis for discussion on the diagnosis, management, and prevention of biological corrosion failures in piping, tanks, heat exchangers, and cooling towers. It begins with an overview of the scope of...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047187
EISBN: 978-1-62708-225-9
.... Carburizing Forgings Gears Overheating Pinions Fe-1.60Mn-5Cr Spalling wear Intergranular fracture Heat treating-related failures A gear manufacturer experienced service problems with various gears and pinions that had worn prematurely or had fractured. All gears and pinions were forged from 1.60Mn...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001543
EISBN: 978-1-62708-218-1
... compound, providing it with a heat-resistant material where temperatures are extremely high. Second, pistons could be of an aluminum-graphite or aluminum-boron composite, eliminating surface melting because pure aluminum has a melting point 200 F higher than the interdendritic material. The composites also...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0046210
EISBN: 978-1-62708-235-8
... origin was approximately 7.6 mm (0.3 in.) below the main surface was indicative of compressive stresses on the surface. These stresses are caused by heat treatment and are clearly beneficial. The picture that develops is that the tensile stress due to torsional loading decreases linearly from a maximum...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
... electroplating, heat treatment, machining, or welding. These operations may also introduce possible defects ( Table 1 ) that may be considered in conjunction with possible defects from metalworking. Failures can also occur from a complex series of manufacturing factors. For example, the level of residual hoop...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001811
EISBN: 978-1-62708-180-1
... lubrication are all common and critical causes of lifting-equipment failures. Metallurgically, the most common cause of failures is improper heat treatment. Quench cracks and residual heat-treat stresses contribute to such failures. The examples in this article illustrate many of these causes. The...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001816
EISBN: 978-1-62708-180-1
... failures in Rankine-cycle systems that use fossil fuels or a nuclear reactor as the primary heat source, although many of the principles that apply to Rankine-cycle systems also apply to systems using other steam cycles or to systems using working fluids other than steam. It is important to learn as...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001808
EISBN: 978-1-62708-241-9
... of poor operations or improper materials selection, and thus often preventable. heat exchangers drain lines corrosion bacterial growth copper stainless steel pitting perforations microscopy corrosion resistance 304L stainless steel (austenitic wrought stainless steel) UNS S30403...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001822
EISBN: 978-1-62708-180-1
... failure mode is referred to as a hot-box in railroad terminology. Almost all axle-journal failures were claimed to be attributed to intergranular embrittlement of the steel by molten brass or copper. The steel in contact with the bearing must be heated to a temperature above the melting point of the brass...