Effect of processing on toughness index of diamond grains during vacuum brazing

LIU Fan; PAN Bingsuo; XIE Tao; ZHANG Jianwei

doi:10.13394/j.cnki.jgszz.2017.3.0002

Volume 37 Issue 3

Jul. 2017

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Article Navigation > Diamond & Abrasives Engineering > 2017 > 37(3): 6-10

LIU Fan, PAN Bingsuo, XIE Tao, ZHANG Jianwei. Effect of processing on toughness index of diamond grains during vacuum brazing[J]. Diamond & Abrasives Engineering, 2017, 37(3): 6-10. doi: 10.13394/j.cnki.jgszz.2017.3.0002

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LIU Fan, PAN Bingsuo, XIE Tao, ZHANG Jianwei. Effect of processing on toughness index of diamond grains during vacuum brazing[J]. Diamond & Abrasives Engineering, 2017, 37(3): 6-10. doi: 10.13394/j.cnki.jgszz.2017.3.0002

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Effect of processing on toughness index of diamond grains during vacuum brazing

doi: 10.13394/j.cnki.jgszz.2017.3.0002

1. Graduate College, China University of Geosciences(Wuhan), Wuhan 430074, China;
2. Engineering College, China University of Geosciences(Wuhan), Wuhan 430074, China;
3. Wuhan Wanbang Laser Diamond Tools Co., Ltd., Wuhan 430056, China

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Received Date: 2017-04-17
Available Online: 2022-07-12

Abstract

Abstract

To reduce the thermal damage when brazing diamond, four solutions are proposed and tested according to the thermal damage mechanism of diamonds.SEM observation and toughness index test are used to analyze those solutions.Resultsshow that reducing oxygen content in the stove has limited effect on improving toughness index (TI) values of diamond, while reducing content of catalyst and coating diamond with Ti-Ni composite layers would increase TI, compared with that of the original process, by more than 15% and 20% separately.It is found that Cu-based solder causes the smallest thermal damage to diamond, whose toughness index remains 91.5% of the original state.
- diamond tools,
- catalyst element,
- oxygen content,
- solder type

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沈阳化工大学材料科学与工程学院沈阳 110142

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Effect of processing on toughness index of diamond grains during vacuum brazing

doi: 10.13394/j.cnki.jgszz.2017.3.0002

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Effect of processing on toughness index of diamond grains during vacuum brazing

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