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precipitation-hardening stainless steel

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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001361
EISBN: 978-1-62708-215-0
...) Macrograph of the sectioned failed rod-end body. The cracks in the swaged ring should be attributed to both the high inclusion content in the material and the abnormal loads shown in (a). Pertinent Specifications The rod end body was manufactured of 17-4PH steel hardened to 36 to 38 HRc, whereas...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001520
EISBN: 978-1-62708-235-8
... test. Both part types were made of 15-5 PH (UNS S15500) precipitation hardening stainless steel. Hydrogen embrittlement cracking was the likely cause of failure for both part types. Cracking of the as-fabricated parts was ultimately prevented by changing the manufacturing procedure to allow...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001707
EISBN: 978-1-62708-217-4
... Abstract The failures of two aircraft components, one from a landing gear and the other from an ejector rack mechanism, were investigated. Both were made from PH 13-8 Mo (UNS S13800) precipitation-hardening stainless steel which had been heat treated to the H1000 and H950 tempers respectively...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001294
EISBN: 978-1-62708-215-0
... Abstract A precipitation-hardened stainless steel poppet valve assembly used to shut off the flow of hydrazine fuel to an auxiliary power unit was found to leak. SEM and optical micrographs revealed that the final heat treatment designed for the AM-350 bellows material rendered the AM-355...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0047109
EISBN: 978-1-62708-233-4
... stem was compared with that of a new part. There was no significant difference between microstructures in the new and in the used stems. The microstructures were found to be typical of a martensitic precipitation-hardening stainless steel in the H900 condition. Because of the small size...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003540
EISBN: 978-1-62708-180-1
... of phosphorus, antimony, arsenic, or tin Grain-boundary carbide precipitation in austenitic stainless steels (sensitization) Embrittlement of molybdenum by oxygen, nitrogen, or carbon Embrittlement of copper by antimony Grain-boundary strengthening is characteristic of IG fractures caused...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006777
EISBN: 978-1-62708-295-2
... of nickel-base alloys and that of austenitic stainless steels include the positive effect of a semicontinuous distribution of carbides at the grain boundary in single-phase material and the galvanic couple between the γ′ and γ phases in precipitation-hardened alloys. The beneficial effect...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001345
EISBN: 978-1-62708-215-0
...). Sensitization causes carbon to migrate to the grain boundaries and combine with the chromium in the alloy, forming chromium carbides. The precipitation of these chromium carbides depletes the grain boundary areas of chromium, lowering their corrosion resistance. The sensitization of the stainless steel combined...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
... alloying elements, depending on the manufacturer. High magnetomechanical damping is a key property of 12% Cr steel, which serves admirably as blading in high-purity steam. Some turbines have been fitted with precipitation-hardened stainless steel (17-4 PH) blades in the next-to-last row of the low-pressure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001609
EISBN: 978-1-62708-229-7
...% Cr ferritic alloy 405 with 0.08% C is not. 1 , 2 Fig. 3 Fe-Cr alloy phase diagram 15 Similar to standard 18Cr-8Ni austenitic stainless steels, Cr and C in these Cr-Fe ferritic alloys react to form Cr carbide precipitates when heated to 315 to 925 °C (600 to 1700 °F). Precipitates...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
...) are susceptible to embrittlement. Above a tensile-strength level of 1250 MPa (180 ksi), most alloy steels, such as AISI 4130 and 4340, and precipitation-hardening stainless steels are susceptible to hydrogen embrittlement cracking in marine atmospheres when the residual or applied tensile stresses...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001171
EISBN: 978-1-62708-219-8
... pipelines, lead to the conclusion that intercrystalline corrosion in steels involved precipitation of a surplus phase at grain boundaries. Intercrystalline corrosion in austenitic stainless steels due to precipitation of chromium carbides during conditions generated due to welding and ways to avoid...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... sufficient to fracture the screws in ductile overload. Example 2: Forming Cracks on Stainless Steel Wire. Cold-drawn 6.4 mm (0.25 in.) diameter type 303 stainless steel wire sections failed during a forming operation. All wires failed at a gradual 90° bend. Investigation High-magnification...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006816
EISBN: 978-1-62708-329-4
... that cause a part to fail during heat treatment. The article discusses the problems associated with heating and furnaces, quenching media, quenching stresses, hardenability, tempering, carburizing, carbonitriding, and nitriding as well as potential stainless steel problems and problems associated...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001403
EISBN: 978-1-62708-220-4
... that the material was an austenitic stainless steel of the type specified but the absence of columbium and titanium in significant amounts shows that it was not stabilised against intergranular carbide precipitation, which might lead to intercrystalline corrosion cracking in service should the material be exposed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
.... Example 2: Forming Cracks on Stainless Steel Wire Cold-drawn type 303 stainless steel wire sections, 6.4 mm (0.25 in.) in diameter, failed during a forming operation. All of the wires failed at a gradual 90° bend. Investigation High-magnification visual examination disclosed many fine ruptures...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001081
EISBN: 978-1-62708-214-3
... Abstract Several compressor disks in military fighter and trainer aircraft gas turbine engines cracked prematurely in the bolt hole regions. The disks were made of precipitation-hardened AM355 martensitic stainless steel. Experimental and analytical work was performed on specimens from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001395
EISBN: 978-1-62708-220-4
... tanks Weld decay Welded joints Austenitic stainless steel Intergranular corrosion “Weld decay” is the term commonly applied to a form of intergranular corrosion to which certain austenitic steels are susceptible, particularly after being heated in the range 550–850°C. The effect first showed...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... (180 ksi), most alloy steels, such as AISI 4130 and 4340, and precipitation-hardening stainless steels are susceptible to hydrogen embrittlement cracking in marine atmospheres when the residual or applied tensile stresses are sufficiently high. The cracking occurs after some time has passed. Steels...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... microscopic examination precipitation-hardening stainless steel sampling simulated-service tests stress concentration stress-corrosion cracking susceptibility titanium alloys welding STRESS-CORROSION CRACKING (SCC) is a failure process that occurs because of the simultaneous presence of tensile...