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铌、钒微合金紧固体钢的研究ＮｂａｎｄＶＭｉｃｒｏａｌｌｏｙｅｄＳｔｅｅｌｓｆｏｒＦａｓｔｅｎｅｒｓ′Ａｐｐｌｉｃａｔｉｏｎ摘自冶金部钢铁研究总院研究生王瑞珍的硕士学位论文，导师：章洪涛微合金非调质紧固件钢是８０年代初开发的新材料。与传统的高强度紧固件...
Niobium, vanadium microalloyed solid steel NbandVMrooloyloySteelsforFasteners’Application From the Metallurgical Institute of Iron and Steel Research Master Wang Ruizin master’s degree thesis, instructor: Zhang Hongtao microalloy non-quenched and tempered fasteners steel is the development of new materials in early 80s. With traditional high strength fasteners ...