Characterizations and mechanical properties of impregnated diamond segment using Cu-Fe-Co metal matrix

doi:10.1007/s12598-012-0467-x

CORC > 兰州理工大学 > 兰州理工大学 > 机电工程学院

	Characterizations and mechanical properties of impregnated diamond segment using Cu-Fe-Co metal matrix
	Li Wensheng 2; Zhang Jie 2; Wang Shucai 1; Dong Hongfeng 2; Li Yaming 2; Liu Yi 2
刊名	RARE METALS
	2012-02
卷号	31 期号:1 页码:81-87
关键词	Cu-Fe-Co based matrix sintering temperature graphitization microstructure mechanical properties
ISSN号	1001-0521
DOI	10.1007/s12598-012-0467-x
英文摘要	Diamond impregnated Cu-Fe-Co based saw-blade segments are directly processed by vacuum and pressure-assisted sintering at different temperature, with the purpose of reducing the cobalt content in diamond tools. Copper and iron are used as the bonding elements and cobalt-chrome pre-alloyed powder is used as the hardening phase. Effects of sintering temperature on microstructures and mechanical properties of the sintered matrix and diamond graphitization were investigated by X-ray diffraction analysis, electron probe micro-analyzer, universal testing machine, digital Rockwell hardness tester and Raman scattering analyzer. Results showed that microstructures of the sintered matrix were refined and porosities in the sintered matrix were closed to a more spherical-like shape with the increase of the sintering temperature. Densification, hardness and tensile strength of the matrix sintered at 820 A degrees C were 12.75%, 2.72% and 156.38% higher than that of the matrix sintered at 740 A degrees C, respectively. Diamond graphitization was not occurred at 820 A degrees C. The hardness and the tensile strength rose 32.8% and 13.5%, respectively, after 7.5 h ageing treatment. The matrix densification ascent and the dispersed distribution of Co-Cr pre-alloyed powders contributed a hardness improvement and a tensile strength improvement to the Cu-Fe based matrix.
资助项目	Gansu Outstanding Youth Foundation[201105]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	NONFERROUS METALS SOC CHINA
WOS记录号	WOS:000299520000017
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/34952]
专题	机电工程学院材料科学与工程学院能源与动力工程学院
通讯作者	Zhang Jie
作者单位	1.Univ Southampton, Natl Ctr Adv Tribol, Sch Engn Sci, Southampton SO17 1BJ, Hants, England 2.Lanzhou Univ Technol, State Key Lab Adv Nonferrous Mat, Lanzhou 730050, Peoples R China
推荐引用方式 GB/T 7714	Li Wensheng,Zhang Jie,Wang Shucai,et al. Characterizations and mechanical properties of impregnated diamond segment using Cu-Fe-Co metal matrix[J]. RARE METALS,2012,31(1):81-87.
APA	Li Wensheng,Zhang Jie,Wang Shucai,Dong Hongfeng,Li Yaming,&Liu Yi.(2012).Characterizations and mechanical properties of impregnated diamond segment using Cu-Fe-Co metal matrix.RARE METALS,31(1),81-87.
MLA	Li Wensheng,et al."Characterizations and mechanical properties of impregnated diamond segment using Cu-Fe-Co metal matrix".RARE METALS 31.1(2012):81-87.