不銹鋼化學熱處理發黑法工藝介紹
化(hua)學著黑(hei)色法(fa)(fa)又分酸性(xing)(xing)(xing)著黑(hei)色法(fa)(fa)和(he)堿(jian)性(xing)(xing)(xing)著黑(hei)色法(fa)(fa)。酸性(xing)(xing)(xing)著黑(hei)色法(fa)(fa)得到的膜(mo)層(ceng)色澤均勻,薄而(er)牢(lao)固(gu),富有彈(dan)性(xing)(xing)(xing),結合力好,但膜(mo)層(ceng)多孔,耐(nai)磨(mo)性(xing)(xing)(xing)較差,要經過固(gu)化(hua)處(chu)(chu)理才能提高耐(nai)磨(mo)性(xing)(xing)(xing);堿(jian)性(xing)(xing)(xing)著黑(hei)色法(fa)(fa)著色時間(jian)較長,但黑(hei)膜(mo)的耐(nai)磨(mo)性(xing)(xing)(xing)很好,無需固(gu)化(hua)處(chu)(chu)理。 化(hua)學著黑(hei)...