Friction and wear behavior of TaC ceramic layer formed in-situ on the gray cast iron
Friction and wear behavior of TaC ceramic layer formed in-situ on the gray cast iron
复制标题
灰口铸铁上原位形成的TaC陶瓷层的摩擦磨损行为
DOI:
10.1016/j.triboint.2019.01.003
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发表时间:
2019-07
影响因子:
6.2
通讯作者:
Zhengxin Lu
中科院分区:
文献类型:
--
作者:
Nana Zhao;Yurong Zhao;Yiqi Wei;Xin Wang;Jie Li;Yunhua Xu;Fuxue Yan;Zhengxin Lu
In order to improve the friction and wear properties of gray cast iron surface, TaC ceramic layer was prepared by in-situ casting-heat treatment. TaC ceramic layer was analyzed by XRD, SEM and EDS. Hardness of the TaC layer was obtained by nanoindentation. Under the loading of 20 N at room temperature, the friction coefficient values, the wear rate and the wear weight loss of TaC layer were 0.17, 11.3 × 10−5mm3/Nm and 2.4 mg, respectively. At room temperature, the wear mechanism is dominated by abrasive wear at low load (5 N, 10 N, 15 N), the abrasive wear and slight adhesive wear at high load (20 N). The wear form of TaC layer can be divided into three categories according to the temperature changes.
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