不銹鋼化學熱處理發黑法工藝介紹
化(hua)學著(zhu)(zhu)黑色(se)(se)法又分酸(suan)性(xing)(xing)著(zhu)(zhu)黑色(se)(se)法和堿性(xing)(xing)著(zhu)(zhu)黑色(se)(se)法。酸(suan)性(xing)(xing)著(zhu)(zhu)黑色(se)(se)法得到的(de)(de)膜層色(se)(se)澤均勻,薄而牢(lao)固(gu)(gu),富有(you)彈性(xing)(xing),結合力好,但(dan)膜層多孔,耐磨性(xing)(xing)較差(cha),要經過固(gu)(gu)化(hua)處理才能(neng)提高(gao)耐磨性(xing)(xing);堿性(xing)(xing)著(zhu)(zhu)黑色(se)(se)法著(zhu)(zhu)色(se)(se)時間(jian)較長,但(dan)黑膜的(de)(de)耐磨性(xing)(xing)很好,無需固(gu)(gu)化(hua)處理。 化(hua)學著(zhu)(zhu)黑...