脫脂後水洗對磷化的影響

tuoyouhoushouxi
，jinguanguishuyupentuqianjiejuede輔zhugongyiliucheng，danyiyangbixuzaochengchongzudegaoduzhongshi，zheyouyuruoyouqinglibuwanquan，feichangrongyijiangtuoyoucaozhongdeburongyiqingxidebiaohuojijicanzhazhenglizidaidao磷化處理槽液中，進而使磷化處理膜變軟，返黃，乃至造成噴塗後出泡、掉下來。因而提議選用多用手洗，並操縱*終清理水的ph值貼近弱酸性。

另一個
，采用可含NaOH
、NaCO3、難清洗的頁麵表麵活性劑的脫脂劑。磷化處理膜層結晶體樣子
、規格尺寸及排列，可將磷化處理膜變大100～4000beikaizhanguanzha

，qijiejingtiyangziyizhuzhuangjingweihao
，jiejingtiguigeyuedihao，pailieyingyunchengxiangtong，qikonglvyuedihao。dianxingxinggongchengceliangyiqiweisaomiaoyitoushedianjing。zhongwenjigao溫liusuananmengmochengduofangmianxiaokuaijiejingti、方位混亂，蜿蜒曲折
、孔隙度多、膜重，典型性金相相片如圖所示10及圖11圖(tu)示(shi)
，中(zhong)溫(wen)磷(lin)酸(suan)鋅(xin)錳(meng)膜(mo)橫(heng)截(jie)麵(mian)機(ji)構(gou)呈(cheng)網(wang)形(xing)小(xiao)塊(kuai)構(gou)造(zao)，結(jie)晶(jing)蜿(wan)蜒(yan)曲(qu)折(zhe)，酸(suan)洗(xi)鈍(dun)化(hua)後(hou)未(wei)表(biao)調(tiao)中(zhong)溫(wen)磷(lin)酸(suan)鋅(xin)錳(meng)膜(mo)塊(kuai)晶(jing)和(he)枝(zhi)晶(jing)粗(cu)壯(zhuang)且(qie)疏(shu)鬆(song)。針(zhen)對(dui)這(zhe)種(zhong)磷(lin)化(hua)處(chu)理(li)，其(qi)關(guan)鍵(jian)目(mu)地(di)是(shi)以(yi)便(bian)抗(kang)腐(fu)蝕(shi)安(an)全(quan)防(fang)護(hu)，其(qi)耐(nai)腐(fu)蝕(shi)性(xing)是(shi)更(geng)為(wei)關(guan)鍵(jian)的(de)指(zhi)標(biao)值(zhi)。通(tong)常(chang)的(de)質(zhi)量(liang)檢(jian)驗(yan)指(zhi)標(biao)值(zhi)包(bao)硫(liu)酸(suan)銅(tong)點(dian)點(dian)滴(di)滴(di)要(yao)超(chao)過(guo)1min，耐食鹽水超過2h，鹽霧試驗超過1.5h。

相關抹油或上蠟後的耐腐蝕性檢驗，*haoshixuanyongyanwushiyan，shijiyingchaoguodenainaifushi時jian，keyougongxushuangfangshangtan。qirunhuagongxiaodelinhuachuliguanjianyongzailengjiagongcengmian
，tongchangshixinxi。naimosunjianmolinhuachulishiyongyihezaimocajianshenyundongdegangjian
，jibendeshimengxilinhuachuli。penshachuxiuquanguochengzaiqingchufangjianneijinxing。zaiqingchushimenguandiaoqingkuangxia
，gangjianbeizhengzhuandongliangui（轉速比為3.6r/min）推動，彈丸以必須的角速度、呈(cheng)扇(shan)型(xing)束(shu)勻(yun)稱(cheng)地(di)嚴(yan)厲(li)打(da)擊(ji)板(ban)材(cai)表(biao)層(ceng)，進(jin)而(er)超(chao)過(guo)去(qu)除(chu)空(kong)氣(qi)氧(yang)化(hua)皮(pi)和(he)優(you)化(hua)表(biao)層(ceng)的(de)目(mu)地(di)。不(bu)鏽(xiu)鋼(gang)板(ban)材(cai)表(biao)層(ceng)受(shou)彈(dan)丸(wan)衝(chong)擊(ji)性(xing)功(gong)效(xiao)後(hou)
，晶(jing)體(ti)優(you)化(hua)

，疲(pi)勞(lao)極(ji)限(xian)、耐腐蝕工作能力較拋丸除鏽前各自提升約80%和約1倍（檢驗拋丸除鏽標準件耐耐腐蝕浸蝕3.5h不鏽鋼）。