The Ni based alloypowder surfacing layer was obtained by light beam surfacing on the 45 steel and the microstructure of heat affected zone(HAZ) and the phase of the surfacing layer were studied.
The accidental quenching, occurring in the sintering process, will make the steel back of a powderalloy brake lining brittle and useless.
粉末合金刹车片在烧结后有时会意外淬火，造成刹车片钢背脆化而报废。
3
While a majority of the stem may be made from a titanium-based powder material, its tip may be made of a high strength hardened material, such as a steelalloy.