Improving diamond-metal adhesion with graded TiCN interlayers
首发时间:2005-07-05
Abstract:An approach improving diamond-metal adhesion has been developed based on modeling predictions and experimental verifications on the interfacial stresses modified by catalytic reaction. It is found that N plasma irradiating onto the Ti and tungsten carbide substrates generates tensile surface stresses while C plasma irradiation create strongly compressive stress at the surfaces and both of which deteriorate the diamond-metal adhesion. It is also found that surface oxidation prevents diamond nucleation. Therefore, we applied a graded TiCN interlayer with carefully adjusting the ratio of C and N in the gas mixture to neutralize the interfacial stress and hence we have improved the diamond-metal adhesion substantially.
keywords: Diamond, adhesion
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TiCN梯度层强化金刚石-金属的结合
摘要:An approach improving diamond-metal adhesion has been developed based on modeling predictions and experimental verifications on the interfacial stresses modified by catalytic reaction. It is found that N plasma irradiating onto the Ti and tungsten carbide substrates generates tensile surface stresses while C plasma irradiation create strongly compressive stress at the surfaces and both of which deteriorate the diamond-metal adhesion. It is also found that surface oxidation prevents diamond nucleation. Therefore, we applied a graded TiCN interlayer with carefully adjusting the ratio of C and N in the gas mixture to neutralize the interfacial stress and hence we have improved the diamond-metal adhesion substantially.
关键词: Diamond, adhesion
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No.2366213761120525****
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