Patent · US Active

Heat-resistant sintered material having excellent high-temperature wear resistance and salt damage resistance and method for producing same

US11578393B2 · kind B2 · utility

0Cited by

1References

6Claims

0Family size

Assignee

Diamet Corporation · JP

Inventors

Ryosuke FUKUDA · Kyoto, JP
Masahisa Miyahara · Niigata, JP

Key dates

Filing date	Mar 26, 2018
Grant date	Feb 14, 2023
Priority date	—
Expiry date	Oct 5, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC21D2211/004
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

This heat-resistant sintered material has, as an overall composition, a composition including, in terms of % by mass, Cr: 15% to 30%, Ni: 8% to 30%, Si: 2.0% to 6.0%, and C: 0.5% to 2.5% with a remainder being Fe and inevitable impurities, wherein the heat-resistant sintered material has a structure in which hard phases are dispersed in a matrix, the matrix includes Fe, Cr, Ni, and Si, the hard phase includes Fe, Cr, and C, and a porosity is 2.0% or less.

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