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Kuŵika Mapepala ghakuŵika ndalama

May 26, 2025

Effect Of Chemical Composition On The Service Life Of Heat-resistant Steel

Kweniso wakumanyikwa kuti "kutayika {…}}wax kuponya". Malinga na ivyo kasitomala wakukhumba, maung’anga ghakupangika na kupangika. Vinthu vya wax vikukakilika mu nkhungu kuti vipangire nkhungu ya wax ya chinthu, iyo yikukolerana na kapu ya sprue na nkhungu ya wax ya runner kuti yiŵe khuni la wax. Pamanyuma pa kuphimba pa khuni la wax na vigaŵa vinandi vya slurry ya refractory na mchenga, chipolopolo chikupangika. Vinthu vya wax ivyo vili mu chipolopolo vikusungunuka na kutenthemeska, ndipo pamanyuma pake vitsulo vyakusungunuka vikuthilira mu chipolopolo icho chaponyeka pa nyengo yakutentha chomene. Pamanyuma pa vitsulo vyakusungunuka vikukhozga na kuzizima, Kwizira mu - nthowa zakupangira nga nkhudumura na kutozga, vigaŵa vyakukhumbikwa vikusangika paumaliro. Kulinganizga na ndondomeko zinyake zakuponya: Vikugwira nchito ku vinthu vyakupambanapambana, ndipo vinthu ivyo vikupangika vikuŵa na vigaŵa vyakusuzga, kukhotakhota kwa pamwamba, na kugomezgeka kwa vigaŵa vyapachanya. Icho chikukhumbikwira kuti paŵe vichoko panji yayi ndipo ni chinthu chapachanya chomene pafupi na -net-swape ndondomeko.

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