|Table of Contents|

Influence of welding parameters of pulse TIG on weld microstructure and mechanical property of aluminum alloys(PDF)

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

Issue:
2013年01期
Page:
52-57
Research Field:
工艺与材料
Publishing date:

Info

Title:
Influence of welding parameters of pulse TIG on weld microstructure and mechanical property of aluminum alloys
Author(s):
PAN Pan;  LIU Jun-jie;  MA Ji
Shanghai Institute of Space Propulsion, Shanghai 201112, China
Keywords:
-
PACS:
V463
DOI:
-
Abstract:
Two welding tests of 1.5 mm 5A06 aluminum alloy plate welded with 1.5 mm L3 aluminum plate and 3 mm 5A06 aluminum alloy-plate with 3 mm 5A06 aluminum alloy plate were conducted by welding method of pulse changing polarity TIG. The influence rule of pulse frequency, basic value current and duty ratio on weld microstructure and mechanical property was researched when other two conditions were unchanged. The research indicates when pulse frequency is 100 Hz, basic value current is 10%～33% of peak value current and duty ratio is 50%～66%, the welded joint possesses good mi

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