Patent · US Active

Hardfacing process and parts produced thereby

US9174293B2 · kind B2 · utility

21Cited by

11References

13Claims

0Family size

Assignee

Caterpillar Inc. · US

Inventors

Robert L. Meyer · Metamora, US
Fernando Martinez Diez · Peoria, US

Key dates

Filing date	Dec 16, 2010
Grant date	Nov 3, 2015
Priority date	—
Expiry date	Feb 28, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/12972
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A hardfacing process includes depositing a clad layer having a thickness greater than about 1 mm (0.04 in) on a surface of the component by arc welding, and creating a heat affected zone directly below the clad layer due to the depositing. The heat affected zone may be a region of the component where a lowest hardness is more than 40% lower than a base hardness of the component below the heat affected zone. The method may also include heat treating the component after the deposition such that the lowest hardness in the heat affected zone is restored to within about 15% of the base hardness of the component.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.