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Apparatus and method for fatigue testing of a material specimen in a high-pressure fluid environment
Apparatus and method for fatigue testing of a material specimen in a high-pressure fluid environment
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机译:用于在高压流体环境中对材料样本进行疲劳测试的设备和方法
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摘要
The invention provides fatigue testing of a material specimen while the specimen is disposed in a high pressure fluid environment. A specimen is placed between receivers in an end cap of a vessel and a piston that is moveable within the vessel. Pressurized fluid is provided to compression and tension chambers defined between the piston and the vessel. When the pressure in the compression chamber is greater than the pressure in the tension chamber, the specimen is subjected to a compression force. When the pressure in the tension chamber is greater than the pressure in the compression chamber, the specimen is subjected to a tension force. While the specimen is subjected to either force, it is also surrounded by the pressurized fluid in the tension chamber. In some examples, the specimen is surrounded by hydrogen.
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