Iphezulu isibalo sechromium yeblade, ngcono.
I-Chromium yinto ebalulekileyo ye-alloying eyandisa ukuqina, ukuxhathisa ukunxiba kunye nokumelana nokubola kwentsimbi, kodwa i-chromium eninzi kakhulu inokuba nefuthe elibi ekusebenzeni kwesixhobo. Ke ngoko, xa ukhetha isixhobo, kufuneka uqwalasele izinto ezinjengokuqina, ukuqina, ukuxhathisa ukunxiba kunye nokuxhathisa umhlwa, hayi umxholo wechromium kuphela.
Ngokuqhelekileyo, insimbi engenasici kunye nentsimbi ye-alloy iqulethe umxholo ophezulu we-chromium, onokuphucula ukuqina kunye nokumelana nokubola kweemela. Nangona kunjalo, umxholo ophezulu kakhulu wechromium unokubangela ukuba isixhobo sibe brittle kwaye siqine, sinciphise ukuqina kwayo kunye nokuchasana kwempembelelo. Ke ngoko, inombolo yechromium yeblade kufuneka ibe ngaphakathi koluhlu olufanelekileyo ukulinganisa ubulukhuni kunye nokuqina ukuqinisekisa ukuba imela inokusebenza okugqwesileyo kokusika kunye nokuqina ngexesha lokusetyenziswa.
Ukongezelela, ukongeza kumxholo we-chromium, umgangatho wezixhobo zokusika ubuye uchaphazeleke ngezinye izinto, ezifana nomgangatho wensimbi, inkqubo yokunyanga ukushisa, inkqubo yokuvelisa, njl. Ngoko ke, xa ukhetha izixhobo zokusika, ezi zinto kufuneka zithathelwe ingqalelo kwaye izixhobo ezinomgangatho othembekileyo kunye nokusebenza okugqwesileyo kufuneka kukhethwe.
Ngamafutshane, inombolo yechromium yeblade ayikuphela kwendlela yokuvavanya umgangatho wemela. Zininzi izinto ezifuna ukuqwalaselwa ngokubanzi. Ekusetyenzisweni okwenyani, khetha isixhobo esifanelekileyo ngokweemfuno ezithile kunye neemeko zokuqinisekisa ulungelelwaniso olungcono phakathi kwesiphumo sokusika kunye nobomi besixhobo.
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