I-valve castings ithanda ukuvelisa iziphene

1. I-stomata

Lo ngumgodi omncinci owenziwe yigesi ukuba inkqubo yokuqinisa isinyithi ayiphumi ngaphakathi kwintsimbi. Udonga lwayo lwangaphakathi luhamba kakuhle kwaye luqulethe i-gesi, ene-reflection ephezulu kwi-wave ye-ultrasonic, kodwa ngenxa yokuba i-spherical okanye i-ellipsoid ngokusisiseko, i-point defect, echaphazela ukubonakaliswa kwayo kwe-amplitude. Umngxuma womoya kwi-ingot uhlanjululwe kwindawo yesiphene emva kokuqulunqa okanye ukuqengqeleka, okunenzuzo ukufunyanwa ngokufunyanwa kwe-ultrasonic.

2. I-Clip slag

I-slag kwinkqubo yokunyibilikisa okanye i-refractory kumzimba wesithando somlilo ikhupha kwintsimbi engamanzi, kwaye ibandakanyeka kwi-casting okanye i-ingot yensimbi xa igalela, yenza i-clamp clamp defect. I-Slag idla ngokungabikho yodwa, ihlala ixinene okanye isasazeke kubunzulu obahlukeneyo, iyafana neziphene zevolumu kodwa ihlala inomgca othile.

3. Ukwenza iintanda

Ukuqhekeka kokuphosa kubangelwa ikakhulu kuxinzelelo lokucutheka kokuqiniswa kwentsimbi yokupholisa kudlula amandla okugqibela ezinto, kuhambelana nokumila koyilo lokuphosa kunye nenkqubo yokuphosa, kwaye kunxulumene nokuqhekeka kobuntununtunu bobumdaka obuthile kwizinto zetsimbi (ezifana nomxholo wesulfure ephezulu, ubuqhophololo obubandayo, umxholo wephosphorus ephezulu, njl.njl.). Kwi-spindle, kuya kubakho iintanda kwi-crystal shaft, kwaye kwi-billet forging elandelayo, iya kuhlala kwi-forging njenge-crack yangaphakathi ye-forging.

4. Guqula ulusu

Oku steelmaking ukusuka ladle ukuya ingot ukugalela ingot, ngenxa yokugalela ukuphazamiseka, nqumama, ugalelwe kumphezulu metal engamanzi emoyeni ngokukhawuleza ukupholisa ifomu oxide ifilimu, entsha ukugalela isinyithi elulwelo iya kuqhekeza emzimbeni ingot kwaye enze hierarchical (indawo) iziphene, oko kwibillet elandelayo ingot forging asiyiyo forging.

5. I-Anisotropy

Xa i-casting okanye i-ingot ipholile kwaye iqiniswe, isantya sokupholisa ukusuka kumphezulu ukuya embindini siyahluka, ngoko ke i-crystallization tissue ehlukeneyo iya kusekwa, ebonisa i-anisotropy yeempawu ze-mechanical, kwaye ikhokelela kwi-anisotropy yeempawu ze-acoustic, oko kukuthi, kukho isantya sesandi esahlukileyo kunye nokunciphisa isandi ukusuka embindini ukuya phezulu. Ubukho bale anisotropy bunokuba nefuthe elibi kubukhulu kunye nesikhundla seziphene ezivavanyiweyo ngexesha lokufunyanwa kwe-ultrasonic.

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