Refractory metal coated metal-working dies

Details Refractory metal coated metal-working dies Refractory metal coated metal-working dies

1985-04-30

1986-02-25

Newsome, John H.

Metal deforming

Tool and/or tool holder

2940218, 72467, 72476, 76107R, 76DIG6, 76DIG11, 427 34, 427142, 427423, B05D 108, B21K 520

Patent

active

045719837

ABSTRACT:
Metal-working dies which are typically made of steel are provided with substantially enhanced life by receiving a plasma-sprayed refractory metal coating which is subsequently compacted under conditions of minimum shear stress. The number of working cycles which can be obtained from a die before it is necessary to rework the die can be improved by as much as 3500%.

REFERENCES:
patent: 1551333 (1925-08-01), Schroter et al.
patent: 1742417 (1930-01-01), Schrobsdorff
patent: 2392821 (1946-01-01), Kreag
patent: 2494970 (1950-01-01), Shea
patent: 3230759 (1966-01-01), Schoenfeld et al.
patent: 3791799 (1974-02-01), Heitzinger
patent: 4095449 (1978-06-01), Roach et al.
patent: 4175611 (1979-11-01), Fletcher

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