Chifukwa chiyani galasi lazimitsidwa?

Kuzimitsidwa kwa galasi ndikutenthetsa magalasi ku kutentha kwa T, pamwamba pa 50 ~ 60 C, ndiyeno mofulumira komanso mofananamo kuziziritsa mu sing'anga yozizira (monga quenching sing'anga) (monga mpweya utakhazikika quenching, madzi utakhazikika quenching, etc.) Chosanjikiza ndi pamwamba chidzapanga kutentha kwakukulu kwa kutentha, ndipo zotsatira zake zimakhala zomasuka chifukwa cha kutuluka kwa magalasi, kotero kutentha kwa kutentha koma palibe vuto lachisokonezo.Mphamvu yeniyeni ya galasi ndi yotsika kwambiri kuposa mphamvu zongoyerekeza.Malingana ndi makina ophwanyidwa, galasi ikhoza kulimbikitsidwa popanga kusanjikiza kovutirapo pagalasi (yomwe imadziwikanso kuti tempering yakuthupi), zomwe zimachitika chifukwa cha makina omwe amagwira ntchito yayikulu.

Pambuyo kuzirala, kutentha kwa kutentha kumachotsedwa pang'onopang'ono, ndipo kupanikizika kosasunthika kumasandulika kukhala kupsinjika kwabwinoko, zomwe zimapangitsa kuti pakhale kugawanika kwapang'onopang'ono pa galasi pamwamba pa galasi.Ukulu wa kupsinjika kwamkati uku kumagwirizana ndi makulidwe a mankhwala, kuzizira kozizira ndi coefficient yowonjezera.Choncho, akukhulupirira kuti pamene galasi woonda ndi galasi ndi otsika kukulitsa coefficient ndi zovuta kuzimitsa zozimitsa galasi mankhwala, structural zinthu zimagwira ntchito yaikulu;, ndi chinthu cha makina chomwe chimagwira ntchito yaikulu.Mpweya ukagwiritsidwa ntchito ngati sing'anga yozimitsira, umatchedwa kuzimitsa kwa mpweya;pamene zamadzimadzi monga girisi, manja silikoni, parafini, utomoni, phula, ndi zina zotero. ntchito monga sing'anga quenching, amatchedwa madzi-utakhazikika quenching.Kuphatikiza apo, mchere monga nitrates, chromates, sulfates, ndi zina zambiri zimagwiritsidwa ntchito ngati zozimitsa media.Chitsulo chozimitsira chitsulo ndi ufa wachitsulo, waya wachitsulo wofewa burashi, etc.