Problems in laser repair welding of polished surfaces

[摘要] This paper presents problems in laser repair welding of the tools for injection moulding of plastics and light metals. Tools for injection moulding of the car headlamps are highly polished in order to get a desirable quality of the...

[学科分类] 金属与冶金

[关键词] laser welding;injection moulding;polishing;repair welding;hardness