High temperature abrasion resistant coatings

Details High temperature abrasion resistant coatings High temperature abrasion resistant coatings

B - Operations, Transporting

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P

148/13

B23P 6/00 (2006.01) B23K 35/32 (2006.01) B23K 35/34 (2006.01) C23C 26/02 (2006.01) C23C 30/00 (2006.01)

Patent

CA 1042321

SPECIFICATION ROBERT H. KACHIK and ARTHUR J. PIGNOCCO METHOD OF FORMING A HIGH-TEMPERATURE ABRASION-RESISTANT COATING ON A FERROUS METAL SUBSTRATE, AND RESULTING ARTICLE ABSTRACT OF THE DISCLOSURE A method of forming a high-temperature abrasion-resistant hard facing or coating on a ferrous metal substrate by employing an aluminothermic reduction reaction. The resultant article has a hard facing layer containing from 2 to 8 percent boron. Hard faced composite articles made by the invented method, such as sintering machine crash decks, coke pusher ram shoes and grizzly bars are also disclosed.

192515

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