Material for lapping tools and lapping surface plate using the s

Details Material for lapping tools and lapping surface plate using the s Material for lapping tools and lapping surface plate using the s

1997-08-28

1998-12-29

Yee, Deborah

Metal treatment

Stock

Ferrous

420 10, 420 27, C22C 3704

Patent

active

058535047

ABSTRACT:
A lapping surface plate consisting of an Fe-base material containing 0.8 to 3.5 wt % of C, 1 to 7 wt % of Si, 5 to 15 wt % of Ni, and 1 wt % or less of Mn, the balance substantially being Fe, further containing 0.1 wt % or less of at least one element selected from the group consisting of Mg, Ca, and Ce, and having a graphite structure and a hardness of 250 Hv or more.

REFERENCES:
patent: 1900125 (1933-03-01), Merica et al.
patent: 3702269 (1972-11-01), Church
patent: 3902897 (1975-09-01), Sobue et al.
patent: 4867803 (1989-09-01), Shikata et al.
patent: 5041173 (1991-08-01), Shikata et al.
O. Haruyasu, "Lapping Surface Plate of High Function", Patent Abstract of Japan, vol. 97, No. 6, of JP 09 029623 (Jun. 1997).
T. Masaharu, "Surface Plate for Polishing," Patent Abstract of Japan, vol. 96, No. 11, of JP 08 174407 (Nov. 1996).

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