Press formability of YAG laser welded trip steel sheets

被引：0
|
作者：
Nagasaka, A. [1 ]
机构：
[1] Dept. of Mech. Eng., Nagano Natl. Coll. of Technol., Tokuma 716, Nagano 381-8550, Japan
来源：
Acta Metallurgica Sinica (English Letters) | 2002年 / 15卷 / 01期
关键词：
Formability - Mechanical properties - Pressing (forming) - Solid state lasers - Steel sheet;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effects of YAG laser welding conditions on mechanical properties and press formability (bendability, stretch-formability and deep drawability) of high-strength transformation-induced plasticity-aided dual-phase (TDP) steel were investigated. Tensile tests and press forming tests have been conducted for laser butt welded joints between two pieces of the same steel. The tensile property and press formability were affected by the welding speed of 100 to 1100 mm/min and the energy of 6 to 9 J/pulse. Excellent press formability was obtained with the energy of 6 J/pulse and the welding speed of 300 mm/min. It was concluded that the excellent weldability of the TDP steel can be ascribed to the weld joint formation.
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页码：21 / 25
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