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王标,钟燕,董鹏,韦林,邓杨芳,王登奎,陈玉龙.模拟环境下钛合金起燃温度与扩散燃烧研究[J].稀有金属材料与工程(英文),2019,48(12):3948~3953.[wangbiao,zhongyan,dongpeng,weilin,dengyangfang,wangdengkui and chenyulong.The Ignition Temperature and Diffusion Combustion Conditions of Titanium Alloy under the Simulated Environment[J].Rare Metal Materials and Engineering,2019,48(12):3948~3953.]
The Ignition Temperature and Diffusion Combustion Conditions of Titanium Alloy under the Simulated Environment
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Received:September 05, 2018  Revised:November 21, 2018
DOI:
Key words: TC4 titanium alloy  Ignition temperature  Friction tests  Simulated compressor environment
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wangbiao,zhongyan,dongpeng,weilin,dengyangfang,wangdengkui and chenyulong  
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Abstract:
      The ignition temperature and the diffusion combustion conditions of TC4 titanium alloy were studied under the simulated compressor environment by the friction tests. The temperature and distribution characteristics of the combustion process were calculated by the finite element method. It was shown that rubbing rings of rotors were first burned, which dependedSon the heat accumulation of stators. For the first time, the ignition temperature(1266.47℃) of TC4 titanium alloy under the simulated compressor environment was obtained, and the error between the measured temperature and the ignition temperature(1210℃) calculated by the finite element method was just 3.6%. The stator began to burn when its total heating areas of cross section reached 25% and its areas of high temperature between 932℃ and 1210℃ were 3.06%.