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- W2077304301 abstract "The square elbows used in oil and gas fields were often failed because of serious erosion. Some of the products even burst. In this paper, the failure mechanism of square elbow was investigated by using electron microscopy (OM), electron microscopy (SEM) methods. The research results show that the elbow products failed due to its low impact toughness after carburizing and quenching. The erosion angle is nearly ninety-degree. By increasing the tempering temperature, reducing the surface hardness and improving toughness, the serious erosion phenomenon can be effectively avoided. There are two main reasons of the elbow products burst. One reason is the high inclusion content of the material. The other is the low impact toughness. Raising the quality specification of materials can appropriate increase the low impact toughness after heat treatment. It is pointed out that the product would be more safety by improve its impact toughness." @default.
- W2077304301 created "2016-06-24" @default.
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- W2077304301 date "2014-12-01" @default.
- W2077304301 modified "2023-09-27" @default.
- W2077304301 title "Failure Mechanism of Ultra-High Pressure Fluid Control Products" @default.
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- W2077304301 doi "https://doi.org/10.4028/www.scientific.net/amm.703.381" @default.
- W2077304301 hasPublicationYear "2014" @default.
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