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Abstract:
根据北京地区地层中含有大量砂卵石的特点,对盾构机刀具进行了失效分析,发现其失效原因主要是冲击和高应力磨粒磨损.针对盾构机刀具的再制造,开发了一种堆焊药芯焊丝DG7.再制造刀具的刃口堆焊层无裂纹,硬度为50~55 HRC,冲击后硬度为55~60 HRC.再制造刀具的寿命高于进口刀具.
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中国表面工程
ISSN: 1007-9289
Year: 2006
Issue: 3
Volume: 19
Page: 44-46
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 39
Chinese Cited Count:
30 Days PV: 10
Affiliated Colleges: