A Simplified Approach to the Failure Probability Assessment of Thermally Stable Diamond Composite Rock Cutting Tips

Yong Sun; Xing Sheng Li; Hua Guo

doi:10.4028/www.scientific.net/MSF.976.62

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HomeMaterials Science ForumMaterials Science Forum Vol. 976A Simplified Approach to the Failure Probability...

A Simplified Approach to the Failure Probability Assessment of Thermally Stable Diamond Composite Rock Cutting Tips

Abstract:

Thermally Stable Diamond Composite (TSDC) has high thermal stability and high wear resistance, and hence is potential to be used as cutting tips for hard rock cutting. Understanding the failure behavior of the TSDC tips during practical rock cutting is a key to enable the TSDC cutting tips to be applied successfully in mining and construction industries. Previous research has shown that the character of random failures due to excessive bending force on TSDC tips is of a major concern, and an approach to estimation of the failure probability of TSDC tips for cutting a rock segment has been developed. However, this approach requires the acquisition of the total cutting length of rock by a tip since it is brand new to it is failed, which can limit the application of the approach. In this paper, a simplified approach is proposed and compared with the existing approach through a numerical case study.

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Periodical:

Materials Science Forum (Volume 976)

Pages:

62-68

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.976.62

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Online since:

January 2020

Authors:

Yong Sun*, Xing Sheng Li, Hua Guo

Keywords:

Diamond Composite, Material Characters, Rock Cutting, Tip Failure Assessment

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