金屬表面處理：利用現代物理化學、金屬學和熱處理等學科的邊緣性新技術來改變金屬表面的狀況和性質，使之與材料作優化組合，以達到預定性能要求的工藝方法，稱為金屬表面處理。模具(ju)的(de)表面(mian)(mian)(mian)處理技術，是通過表面(mian)(mian)(mian)涂覆(fu)、表面(mian)(mian)(mian)改性(xing)或復合處理技術，改變模具(ju)表面(mian)(mian)(mian)的(de)形態、化學(xue)成分、組織結構和應力狀(zhuang)態，以獲得所需表面(mian)(mian)(mian)性(xing)能的(de)系(xi)統工(gong)程(cheng)。

金屬表面(mian)處(chu)理性(xing)(xing)能(neng)指：耐(nai)磨損性(xing)(xing)能(neng)、耐(nai)腐(fu)蝕性(xing)(xing)能(neng)、摩擦系數、疲勞性(xing)(xing)能(neng)等(deng)。常用的處(chu)理工藝(yi)種類(lei)有鍍(du)(du)鋅、鍍(du)(du)錫(xi)、鍍(du)(du)銅、鍍(du)(du)鎳(nie)、鍍(du)(du)鉻、發黑(hei)、磷化(hua)、噴涂、拋(pao)光。

鍍(du)(du)(du)鋅：鍍(du)(du)(du)鋅是(shi)指(zhi)在(zai)金(jin)(jin)(jin)屬、合(he)(he)金(jin)(jin)(jin)或者其它(ta)材料的(de)(de)(de)表(biao)面(mian)(mian)(mian)(mian)鍍(du)(du)(du)一(yi)層(ceng)(ceng)(ceng)鋅以(yi)(yi)起(qi)美(mei)觀(guan)、防(fang)銹(xiu)等作(zuo)用(yong)(yong)(yong)(yong)的(de)(de)(de)表(biao)面(mian)(mian)(mian)(mian)處理(li)技(ji)術。鋼(gang)(gang)鐵零(ling)件上鍍(du)(du)(du)鋅主要(yao)(yao)(yao)作(zuo)用(yong)(yong)(yong)(yong)是(shi)防(fang)腐(fu)蝕。鍍(du)(du)(du)錫：洗的(de)(de)(de)腐(fu)蝕產物對人類無(wu)害，且(qie)易于(yu)(yu)(yu)釬焊，鍍(du)(du)(du)錫廣泛(fan)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)食品(pin)罐(guan)頭(tou)包裝制品(pin)、飲具(ju)、餐具(ju)及(ji)電子工(gong)(gong)(gong)(gong)業中很多需要(yao)(yao)(yao)釬焊的(de)(de)(de)零(ling)件； 鍍(du)(du)(du)銅：鍍(du)(du)(du)銅常(chang)作(zuo)為其它(ta)鍍(du)(du)(du)層(ceng)(ceng)(ceng)的(de)(de)(de)中間層(ceng)(ceng)(ceng)，以(yi)(yi)提(ti)高(gao)表(biao)面(mian)(mian)(mian)(mian)鍍(du)(du)(du)層(ceng)(ceng)(ceng)和(he)基(ji)體(ti)金(jin)(jin)(jin)屬的(de)(de)(de)結合(he)(he)力。 鍍(du)(du)(du)鎳：鍍(du)(du)(du)鎳的(de)(de)(de)應用(yong)(yong)(yong)(yong)面(mian)(mian)(mian)(mian)很廣，可(ke)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)防(fang)護裝飾性(xing)和(he)功能(neng)(neng)性(xing)兩方(fang)面(mian)(mian)(mian)(mian)。 鍍(du)(du)(du)鉻(ge)(ge)：鉻(ge)(ge)在(zai)大氣中能(neng)(neng)長久保(bao)持光(guang)(guang)(guang)澤，在(zai)堿液(ye)、硝酸、硫酸及(ji)許多有機(ji)酸中不(bu)發生反(fan)應，鍍(du)(du)(du)鉻(ge)(ge)層(ceng)(ceng)(ceng)有很高(gao)的(de)(de)(de)硬度(du)和(he)優(you)良的(de)(de)(de)耐(nai)磨性(xing)及(ji)較(jiao)低的(de)(de)(de)摩(mo)擦系數，故鍍(du)(du)(du)鉻(ge)(ge)常(chang)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)防(fang)護裝飾性(xing)鍍(du)(du)(du)層(ceng)(ceng)(ceng)，防(fang)止基(ji)體(ti)金(jin)(jin)(jin)屬生銹(xiu)和(he)美(mei)化(hua)外觀(guan)，也(ye)常(chang)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)提(ti)高(gao)制品(pin)的(de)(de)(de)耐(nai)磨性(xing)或修復磨損(sun)； 發黑：鋼(gang)(gang)制件的(de)(de)(de)表(biao)面(mian)(mian)(mian)(mian)發黑處理(li)，也(ye)有被稱之(zhi)(zhi)為發藍的(de)(de)(de)。其原理(li)是(shi)將(jiang)(jiang)鋼(gang)(gang)鐵制品(pin)表(biao)面(mian)(mian)(mian)(mian)迅速氧(yang)(yang)化(hua),使之(zhi)(zhi)形(xing)(xing)成(cheng)致(zhi)密的(de)(de)(de)氧(yang)(yang)化(hua)膜(mo)(mo)(mo)保(bao)護層(ceng)(ceng)(ceng)，提(ti)高(gao)鋼(gang)(gang)件的(de)(de)(de)防(fang)銹(xiu)能(neng)(neng)力； 磷(lin)化(hua)：是(shi)一(yi)種化(hua)學與電化(hua)學反(fan)應形(xing)(xing)成(cheng)磷(lin)酸鹽化(hua)學轉(zhuan)化(hua)膜(mo)(mo)(mo)的(de)(de)(de)過程，所(suo)形(xing)(xing)成(cheng)的(de)(de)(de)磷(lin)酸鹽轉(zhuan)化(hua)膜(mo)(mo)(mo)稱之(zhi)(zhi)為磷(lin)化(hua)膜(mo)(mo)(mo)。磷(lin)化(hua)的(de)(de)(de)目的(de)(de)(de)主要(yao)(yao)(yao)是(shi)：給基(ji)體(ti)金(jin)(jin)(jin)屬提(ti)供(gong)保(bao)護，在(zai)一(yi)定程度(du)上防(fang)止金(jin)(jin)(jin)屬被腐(fu)蝕；用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)涂漆前打底，提(ti)高(gao)漆膜(mo)(mo)(mo)層(ceng)(ceng)(ceng)的(de)(de)(de)附著(zhu)力與防(fang)腐(fu)蝕能(neng)(neng)力；在(zai)金(jin)(jin)(jin)屬冷(leng)加(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝(yi)中起(qi)減摩(mo)潤滑使用(yong)(yong)(yong)(yong)； 噴涂：利(li)用(yong)(yong)(yong)(yong)壓力或靜電力將(jiang)(jiang)油漆或粉末附著(zhu)在(zai)工(gong)(gong)(gong)(gong)件表(biao)面(mian)(mian)(mian)(mian)，使工(gong)(gong)(gong)(gong)件有防(fang)腐(fu)和(he)外觀(guan)裝飾作(zuo)用(yong)(yong)(yong)(yong)； 拋(pao)光(guang)(guang)(guang)：利(li)用(yong)(yong)(yong)(yong)柔性(xing)拋(pao)光(guang)(guang)(guang)工(gong)(gong)(gong)(gong)具(ju)和(he)磨料顆粒或其他拋(pao)光(guang)(guang)(guang)介質對工(gong)(gong)(gong)(gong)件表(biao)面(mian)(mian)(mian)(mian)進(jin)行(xing)的(de)(de)(de)修飾加(jia)工(gong)(gong)(gong)(gong)。拋(pao)光(guang)(guang)(guang)不(bu)能(neng)(neng)提(ti)高(gao)工(gong)(gong)(gong)(gong)件的(de)(de)(de)尺寸精(jing)(jing)度(du)或幾何形(xing)(xing)狀(zhuang)精(jing)(jing)度(du)，而是(shi)以(yi)(yi)得到光(guang)(guang)(guang)滑表(biao)面(mian)(mian)(mian)(mian)或鏡面(mian)(mian)(mian)(mian)光(guang)(guang)(guang)澤為目的(de)(de)(de)，有時(shi)也(ye)用(yong)(yong)(yong)(yong)以(yi)(yi)消除光(guang)(guang)(guang)澤。