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Keywords: hydrogen cracking
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eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2003
ISBN-10: 0-8031-2899-1
ISBN: 978-0-8031-2899-6
... Army experience with hydrogen cracking failures of cannons is described, including extensive testing of high strength steel and nickel-iron base alloys to address the failures. Cracking of cannon pressure vessel steels just under bore thermal barrier coatings is now common, and can be explained...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1999
ISBN-10: 0-8031-2486-4
ISBN: 978-0-8031-2486-8
..., environmental conditions, and the resulting cracking behaviors and SEM fracture surface characteristics are outlined. Laboratory hydrogen cracking tests of the cannon materials, finite element stress analysis, and stress intensity factor calculations were used to model the hydrogen cracking. The first cracking...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-0959-8
ISBN: 978-0-8031-0959-9
... An investigation was conducted to characterize the influence of welding variables, such as weld metal diffusible hydrogen content, on the hydrogen cracking resistance of HY-80 steel. The moisture pickup characteristics of several shielded metal-arc welding products were measured by the standard...