模具钢和不锈钢,最难打印的材料是铝合金
3D打印金属粉末的制备方法介绍与比较:http://wenku.baidu.com/link?url=aaMmBNfD_WiPm8sWpC87KrgbtgCSVxYXpgcj3YrwJ4YMxYRlzV_Ib8fylNbjRdr8Sf9aeSr3L6r-cv6wKNMJUW97if0JWSLguUIDJT9spbO