DIN EN 2950-2009 航空航天系列.试验方法.锻造耐热合金半成品制品和部件.宏观检查和微观检查用条件.结构和缺陷图
Aerospace series - Test method - Wrought heat resisting alloys Semi-finished products and parts - Conditions for macrographic and micrographic examination - Atlas of structures and defects; German and English version EN 2950:2008
The present document defines the conditions for the macrographic and micrographic examination of heat
resisting alloy semi-finished and parts.
It includes an atlas of commonly encountered and structural defects.
The present document shall be applied in conjunction with the material standards specifying the criteria of
acceptance.
The present document is not intended to apply to cast or powder metallurgy products.