Wellsite hardfacing with distributed hard phase and method of using same
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Sep 21, 2015
filing date -
Sep 21, 2015
priority date (Note) -
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Abstract
A hardfacing disposable on a surface of a component, such as a wellsite component, is disclosed. The hardfacing comprises a surface portion and a bottom portion with a segregation line defined therebetween. The surface portion and the bottom portion each include a matrix phase including a matrix composition made of a metal alloy and a hard phase distributed in the matrix phase. The hard phase may include an abrasion-resistant composition made of a hard material (e.g., vanadium carbide). The surface portion has a first concentration of the abrasion-resistant composition and the bottom portion has a second concentration of the abrasion-resistant composition with the first concentration being greater than the second concentration such that a wear resistant surface is defined on the surface of the component.
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