不銹鋼化學熱處理發黑法工藝介紹
化學著(zhu)(zhu)黑色法(fa)(fa)又分酸(suan)性(xing)(xing)(xing)著(zhu)(zhu)黑色法(fa)(fa)和堿性(xing)(xing)(xing)著(zhu)(zhu)黑色法(fa)(fa)。酸(suan)性(xing)(xing)(xing)著(zhu)(zhu)黑色法(fa)(fa)得到的膜層色澤(ze)均勻(yun),薄而(er)牢固(gu),富有彈性(xing)(xing)(xing),結合力好,但(dan)(dan)膜層多孔(kong),耐磨(mo)性(xing)(xing)(xing)較(jiao)差,要經過固(gu)化處理才能提高耐磨(mo)性(xing)(xing)(xing);堿性(xing)(xing)(xing)著(zhu)(zhu)黑色法(fa)(fa)著(zhu)(zhu)色時間較(jiao)長(chang),但(dan)(dan)黑膜的耐磨(mo)性(xing)(xing)(xing)很好,無需固(gu)化處理。 化學著(zhu)(zhu)黑...