粉末冶金Fe-5(Cu-10Sn)-石墨-P-MoS<sub>2</sub>含油材料的摩擦性能

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摘要采用粉末冶金法制备Fe-5(Cu-10Sn)-石墨-P-MoS₂含油材料,研究石墨、P与MoS₂的添加量对材料摩擦性能的影响。摩擦实验在150 ℃(±10 ℃)条件下进行,线速度分别为0.25,0.50和0.75 m/s,逐级加载,每间隔10 min增加10 MPa,从10 MPa加载至50 MPa。结果表明：材料的摩擦因数随石墨添加量增加而减小,当石墨添加量达到1.5%后,摩擦因数基本稳定在一个较低值上;P添加量以0.3%为宜,较低和较高均导致摩擦因数不稳定;摩擦因数随MoS₂添加量增加而减小,当MoS₂添加量为1.5%时,材料具有稳定且较小的摩擦因数,随载荷和线速度增加,摩擦因数持续减小。

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	邱天旭
	张继峰
	孙露
	万霖
	申小平

关键词 ：摩擦, 自润滑, 含油, 石墨, P, MoS₂

Abstract：Fe-5(Cu-10Sn)-graphite-P-MoS₂ oil-containing materials were prepared by powder metallurgy. The effects of graphite, P and MoS₂ contents on the tribological properties of the material were studied. The friction tests were carried out at 150 ℃ (±10 ℃) with linear velocity of 0.25, 0.50 and 0.75 m/s. The loading ranges from 10 MPa to 50 MPa, which increasing by 10 MPa every 10 minutes. The results show that the friction coefficient of the material decreases with the increase of C content. When the C content reaches 1.5%, the friction coefficient is basically stable at a lower value. The addition amount of P is preferably 0.3%, and both lower and higher results in unstable friction coefficient of the material. The friction coefficient of the material decreases with the increase of MoS₂ content. When the MoS₂ content is 1.5%, the material has a stable friction coefficient, and the friction coefficient shows a steady decrease with the increase of load and linear velocity.

Key words： tribology self-lubrication oil-containing graphite P MoS₂

收稿日期: 2019-04-12 出版日期: 2019-11-14

ZTFLH:

TH117.2

通讯作者: 申小平,高级工程师。电话：025-84315396;E-mail: xpshen171@163.com

引用本文:

邱天旭, 张继峰, 孙露, 万霖, 申小平. 粉末冶金Fe-5(Cu-10Sn)-石墨-P-MoS₂含油材料的摩擦性能[J]. 粉末冶金材料科学与工程, 2019, 24(5): 459-466.
QIU Tianxu, ZHANG Jifeng, SUN Lu, WAN Lin, SHEN Xiaoping. Tribological properties of Fe-5(Cu-10Sn)-graphite-P-MoS₂ oil-containing materials. Materials Science and Engineering of Powder Metallurgy, 2019, 24(5): 459-466.

链接本文:

http://pmbjb.csu.edu.cn/CN/ 或 http://pmbjb.csu.edu.cn/CN/Y2019/V24/I5/459

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