航空用38CrMoAl和4Cr14Ni14W2Mo钢制件的氨氮氮化
毛信孚
Nitriding of an Ammonia-Nitrogen Agent of 38CrMoAl and 4Cr14Ni14W2Mo Steel Parts for the Aviation Industry
Mao Xinfu
材料工程 . 1991, (6): 34 -37,18 .