含有硬粒飞灰的烟气相对于管壁流动，对管壁产生磨损称为冲击磨损，也称冲蚀。冲蚀。
Flue gas containing hard grain of fly ash flow relative to the wall, on the wall wear called impact wear, also known as erosion. erosion.
初步确立了空气钻井钻柱冲蚀磨损机理，提出钻屑冲蚀是促使钻具失效的一项重要原因。
Establish the erosive wear mechanism of drilling string in air drilling and put forward that erosion wear is a substantial cause to promote drill string failure.
合金丝试样中部为变形磨损，侧面为微切削磨损，表现为典型的韧性材料冲蚀磨损特性。
The surface morphologies exhibit deformation wear in the middle and micro cutting wear in the sides, which indicate that all the samples exhibit ductile material characteristics in the erosion.
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