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Improving Hydrogen Embrittlement Resitance of Precipitation Hardened Nickel-Alloys
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Abstract
Hydrogen embrittlement susceptibility of precipitation hardened Ni-alloys is a complex function of several factors such as chemical composition, deformation mode, grain size and grain boundary precipitation of carbides and intermetallic phases. Understanding the role of these factors is fundamental in identifying metallurgical conditions that can enhance resistance of precipitation hardened Ni-alloys to hydrogen embrittlement.
Analysis of hydrogen embrittlement data and a new test program have been carried out to further investigate the role of such factors and determine metallurgical conditions capable of improving hydrogen embrittlement resistance of UNS N09955 and UNS N07716 alloys. Results of the study are presented and discussed in this paper.
Title: Improving Hydrogen Embrittlement Resitance of Precipitation Hardened Nickel-Alloys
Description:
Abstract
Hydrogen embrittlement susceptibility of precipitation hardened Ni-alloys is a complex function of several factors such as chemical composition, deformation mode, grain size and grain boundary precipitation of carbides and intermetallic phases.
Understanding the role of these factors is fundamental in identifying metallurgical conditions that can enhance resistance of precipitation hardened Ni-alloys to hydrogen embrittlement.
Analysis of hydrogen embrittlement data and a new test program have been carried out to further investigate the role of such factors and determine metallurgical conditions capable of improving hydrogen embrittlement resistance of UNS N09955 and UNS N07716 alloys.
Results of the study are presented and discussed in this paper.
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