Low-temperature Sintering of FeCuCo based Pre-alloyed Powder for Diamond Bits

被引：10

作者：

Xie Delong ^{[1
]}

Wan Long ^{[1
]}

Song Dongdong ^{[1
]}

Qin Haiqing ^{[2
,3
,4
]}

Pan Xiaoyi ^{[2
,3
,4
]}

Lin Feng ^{[2
,3
,4
]}

Fang Xiaohu ^{[2
,3
,4
]}

机构：

[1] Hunan Univ, Coll Mat Sci & Engn, Changsha 410082, Hunan, Peoples R China

[2] Guangxi Key Lab Superhard Mat, Guilin 541004, Peoples R China

[3] Chinese Natl Engn Res Ctr Special Mineral Mat, Guilin 541004, Peoples R China

[4] China Nonferrous Met Guilin Geol & Min Co Ltd, Guilin 541004, Peoples R China

来源：

JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2016年 / 31卷 / 04期

关键词：

co-precipitation method; pre-alloyed powder; sintering; diamond bits; MECHANICAL-PROPERTIES; METAL-MATRIX; TOOLS; MICROSTRUCTURE;

D O I：

10.1007/s11595-016-1449-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We studied the effects of sintering temperature on FeCuCo based pre-alloyed powder for diamond bits. The FeCuCo composite was fabricated by co-precipitation method. With the addition of tungsten carbide (WC), sintering under different temperatures was investigated. Mechanical properties of the FeCuCo based matrix were systematically studied. The structure of the composite was evaluated by X-ray diffraction (XRD) and scanning electron microscope (SEM) was used to analyze the surface of the powder and matrix. The suitable sintering temperature was determined through differential scanning calorimeter (DSC). Micro drilling experiments were performed, and 820 degrees C was identified to be the ideal sintering temperature, at which the matrix shows the best mechanical properties and drilling performance.

引用

页码：805 / 810

页数：6

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