Method of surface-strengthening of steel parts working in abrasi

Details Method of surface-strengthening of steel parts working in abrasi Method of surface-strengthening of steel parts working in abrasi

1975-06-20

1976-10-19

Kendall, Ralph S.

Coating processes

With post-treatment of coating or coating material

Liquid extraction of coating constituent or cleaning coating

427374R, 427435, 148 611, 148 624, C23F 724

Patent

active

039872220

ABSTRACT:
The method consists in preparing a mixture composed of 20-80 g of molybdenum disulphide and 1-5 g of sulphuric acid per liter of glycerine, heating said mixture from 180.degree. to 230.degree. C, holding the workpieces in said mixture for 3-7 hours in presence of brass, followed by washing the parts with a cooling liquid and drying them.

REFERENCES:
patent: 2609342 (1952-09-01), White et al.
patent: 2622993 (1952-12-01), McCullough
patent: 2905574 (1959-09-01), Spengler

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