Heat treatment of ferrous materials - Part 4: Nitriding and nitrocarburizing
黑色金属材料的热处理热处理方法第4部分:氮化和氮碳共渗
1998-01-01
DIN 30902
Heat treatment of ferrous materials - Light-microscopical determination of the depth and porosity of the compound layer of nitrided and nitro-carburized ferrous parts
黑色金属材料的热处理.氮化和氮碳共渗黑色金属零件复合层深度和孔隙率的光学显微镜测定