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UNS R30031

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0046966
EISBN: 978-1-62708-229-7
... UNS R30031 Stellite 31 UNS R30031 Thermal fatigue fracture A turbine vane made of cast cobalt-base alloy AMS 5382 (Stellite 31; composition: Co-25.5Cr-10.5Ni-7.5W) was returned from service after an undetermined number of service hours because of crack indications on the airfoil sections...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001281
EISBN: 978-1-62708-215-0
... of hot corrosion caused by a combination of contaminants, cooling-hole blockage, and coating loss. Hot gas corrosion X-40 UNS R30031 High-temperature corrosion and oxidation Background The first-stage nozzles of a high-pressure turbine (HPT) section of an industrial gas turbine exhibited...