摘要
热电特性是材料的易测量宏观物理量,而且对热电特性的测量可以不破坏材料。以YB425硬质合金刀片为研究对象,探索了刀片磨损量与其热电特性的相关关系,并且经过试验验证了YB425硬质合金刀片的热电特性与其刀片磨损量密切相关,而且基于热电特性预测硬质合金刀片的使用寿命的方法是可靠的。通过实验还建立了YB425硬质合金刀片的热电特性与其磨损量的相关关系试验公式,基于此试验公式,可以在硬质合金刀片使用前测量YB425硬质合金刀片的热电势,达到无损预测硬质合金刀片使用寿命的目的。
The thermoelectric potential is one of the major physical properties of material, and it is easy to be measured without damaging the material. In this paper, the analysis and test have been performed to explore the relationship between the wear and the thermoelectric potential of YB425 cemented carbide insert. The influence of wear on the thermoelectric potential of insert is verified by experiments. The empirical formula relating the wear and thermoelectric potential is also presented based on test data. The test results has proved that the proposed non-destructive detection method can successfully forecast the operation life of the YB425 cemented carbide insert.
出处
《机械科学与技术》
CSCD
北大核心
2011年第12期2052-2055,共4页
Mechanical Science and Technology for Aerospace Engineering
基金
上海市教委重点科技基金项目(11CXY59)资助
