Guangdong University of Technology

Haisheng Lin

Lijuan Zheng

Tongchun Kuang

Yang Deng

A cutting tool for machining titanium alloy or superalloy includes a Me-B-N coating. The Me-B-N coating is Me1-B-N; Me1 is one or more selected from transition metal elements Hf, V, Nb, Ta and Mo, and the atomic percentage of each element is: Me1: 8-40%, B: 15-60%, and N: 10-65%; and the Me-B-N coating includes Me1Nx phase and BN phase; or, the Me-B-N coating is Me1-Me2-B-N, Me1 is one or more selected from transition metal elements Hf, V, Nb, Ta and Mo; Me2 is one or more selected from transition metal elements Ti, Zr, Cr, and W; and the atomic percentage of each element is: Me1: 4-36%, Me2: 4-36%, B: 15-60%, and N: 10-65%; and the Me-B-N coating includes Me1Nx phase, Me2Nx phase and BN phase.

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Guangzhou, China

Haisheng Lin