| 摘要 |
<p>A gear having good fatigue strength and corrosion resistance has a body (10) with gear teeth formed of a hot isostatically pressed alloy powder. The alloy is cobalt based and consists of 10 to 35 wt% Cr, 0-22 wt% Ni, 0-20 wt% W, 0-20 wt% Fe, 0-10 wt% V, 0-10 wt% Mo, 0-6 wt% Nb, 0-3 wt% Si, 0-3 wt% C, 0-3 wt% B and 0-1 wt% Mn, the balance, apart from impurities, being cobalt. <IMAGE></p> |
