| 摘要 |
PCT No. PCT/CH85/00011 Sec. 371 Date Sep. 26, 1985 Sec. 102(e) Date Sep. 26, 1985 PCT Filed Jan. 24, 1985 PCT Pub. No. WO85/03465 PCT Pub. Date Aug. 15, 1985.A powdery material is prepared by atomization from a molten alloy having the following composition in weight percent: chromium: 10-30; aluminium: 1-25; carbon: less than 0.5; nickel: less than 10; iron: the balance, with a cooling speed at least equal to 400 DEG C./sec., for heat spraying having a grain size comprised between -150 and +27 microns of which the specific area is higher than 500 cm2/g. Said material enables to form on a metal substrate a self-adhesive layer having a resistance to pulling by traction which is higher than 20 N/mm2.
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