Sanadin gazawar bayan watanni 18 na bakin karfe tace bawul yayi aiki na tsawon watanni 18, kuma an gano bawul ɗin karaya kuma an bincikar bawul ɗin karyewa, nama na gwal, da sinadarai. Sakamako ya nuna cewa tsagewar wurin bawul ɗin harsashi ne kuma abubuwan tacewa suna sake tantance wurin, wato don jure babban ɓangaren iskar gas, tushen yazawar da kuma tsagewar tushen ya samo asali ne daga tushen zaren ciki. , wanda aka shimfiɗa zuwa saman ciki na harsashi na bawul zuwa waje Kayan abu ne na ferrite + martensite nama na biyu, kuma ƙimar ƙarar ƙwayar perchine shine 15% zuwa 25%. Ƙarshen bakin bawul ɗin jikin bawul ɗin yana lebur, kuma fashe-fashe tsakanin hatsin ya ƙare, yana nuna halayen gutsuttsura. Akwai manyan ɓarna a cikin CR da Ni abun ciki a cikin tsarin bawul ɗin tacewa, kuma abun ciki na ferrite ya fi 10%, wanda ke rage ƙarfin filastik na kayan. Wannan shi ne ainihin abin da ke cikin gazawar abu; An haɗu da yashewar tare da kashi na biyu na carbon-rich da chromium a cikin dawo da kayan aiki, da kuma fashewa a cikin yankin da aka mayar da hankalin damuwa. A ƙarƙashin rinjayar matsananciyar matsananciyar damuwa, an kara fadada fashewar, kuma abu zai karya.