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Abstract:
采用铸铁-水玻璃砂复合型负压铸造浇注铌微合金化6170和6190型柴油机硼铸铁缸套,并对不同Nb含量对铸铁组织、硬度和抗拉强度的影响进行了研究.结果铸件尺寸精确,无铸造缺陷.Nb能细化晶粒和石墨,明显提高强度和硬度.其强化机理主要是硬质相强化、固溶强化和晶粒细化强化.w(Nb)的最佳量为0.25%.
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现代铸铁
ISSN: 1003-8345
Year: 2005
Issue: 2
Volume: 25
Page: 8-11
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 3
Chinese Cited Count:
30 Days PV: 6
Affiliated Colleges: