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Research on welding technology for 1Cr11Ni2W2MoV shell of a starter (PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2015年06期
Page:
61-67
Research Field:
工艺与材料
Publishing date:

Info

Title:
Research on welding technology for 1Cr11Ni2W2MoV shell of a starter
Author(s):
ZHANG Wenbo;  YANG Weihua
Xi’an Aerospace Propulsion Institute, Xi’an 710100, China
Keywords:
gunpowder starter shell;  1Cr11Ni2W2MoV;  automatic TIG welding
PACS:
V462-34
DOI:
-
Abstract:
Welding technology research is needed for gunpowder starter's shell made from new material 1Cr11Ni2W2MoV. Weld structures and performances of the welded joints made through with S-659 and HGH367 welding wires as well as different welding currents and welding speeds were compared after automatic TIG welding tests. The results indicate that the weld shaping, structure, organism and performance of the welded joints made through with S-659 welding wire, large welding current and high welding speed are more excellent, which can satisfy LevelⅠrequirements of QJ1842-95. The simulated and practical products welded with this method were qualified. The result was got by X-ray detection, hydraulic and air-tight tests. They can meet the use requirements.

References:

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Last Update: 1900-01-01