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Title: Nano-composite stainless steel

Patent ·
OSTI ID:1193378
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A composite stainless steel composition is composed essentially of, in terms of wt. % ranges: 25 to 28 Cr; 11 to 13 Ni; 7 to 8 W; 3.5 to 4 Mo; 3 to 3.5 B; 2 to 2.5 Mn; 1 to 1.5 Si; 0.3 to 1.7 C; up to 2 O; balance Fe. The composition has an austenitic matrix phase and a particulate, crystalline dispersed phase.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
9,080,229
Application Number:
13/465,360
OSTI ID:
1193378
Resource Relation:
Patent File Date: 2012 May 07
Country of Publication:
United States
Language:
English

References (5)

Method of making complex boride particle containing alloys patent March 1986
Nano-crystal austenitic steel bulk material having ultra-hardness and toughness and excellent corrosion resistance, and method for production thereof patent February 2010
Method of forming a hardened surface on a substrate patent August 2010
In-situ composite formation of damage tolerant coatings utilizing laser patent May 2011
Phases and magnetic properties of the devitrified metallic glasses Co66Cr14B20 and Fe43Cr25Ni20B12 journal June 1990

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