Bronzes nthawi zambiri amakhala ma ductile alloys. Poyerekeza, ma bronze ambiri amakhala ochepa kwambiri kuposa chitsulo chosungunuka. Nthawi zambiri mkuwa umangotulutsa okosijeni pang'ono; kamodzi copper oxide (potsiriza kukhala copper carbonate) wosanjikiza apangidwa, zitsulo zapansi zimatetezedwa kuti zisawonongeke. Komabe, ngati ma chloride amkuwa apangidwa, njira ya dzimbiri yotchedwa "bronze matenda" pamapeto pake idzawonongeratu. Ma aloyi opangidwa ndi mkuwa amakhala ndi malo otsika osungunuka kuposa chitsulo kapena chitsulo, ndipo amapangidwa mosavuta kuchokera ku zitsulo zomwe amakhala. Nthawi zambiri amakhala olimba pafupifupi 10 peresenti kuposa chitsulo, ngakhale ma aloyi omwe amagwiritsa ntchito aluminiyamu kapena silicon akhoza kukhala ocheperako pang'ono. Zamkuwa ndi zofewa komanso zofooka kuposa zitsulo - akasupe amkuwa, mwachitsanzo, amakhala osalimba (ndipo amasunga mphamvu zochepa) pazochulukira zomwezo. Mkuwa umalimbana ndi dzimbiri (makamaka madzi a m'nyanja) komanso kutopa kwachitsulo kuposa chitsulo ndipo ndi kondakitala wabwino wa kutentha ndi magetsi kuposa zitsulo zambiri. Mtengo wa ma alloys a mkuwa nthawi zambiri ndi wokwera kuposa wazitsulo koma wotsika kuposa wa aloyi a nickel-base.
Copper ndi ma alloys ake ali ndi ntchito zosiyanasiyana zomwe zimawonetsa kusinthasintha kwawo, makina, ndi mankhwala. Zitsanzo zina zodziwika bwino ndi machulukidwe apamwamba amagetsi amkuwa wangwiro, kutsika kwamphamvu kwa mkuwa (mkuwa womwe uli ndi mkuwa wambiri - 6-8%), mikhalidwe yowoneka bwino ya belu lamkuwa (20% malata, 80% yamkuwa). , ndi kukana dzimbiri ndi madzi a m'nyanja aloyi angapo amkuwa.
Malo osungunuka a bronze amasiyana malinga ndi chiŵerengero cha zigawo za alloy ndipo ndi pafupifupi 950 °C (1,742 °F). Bronze ikhoza kukhala yopanda maginito, koma ma aloyi ena okhala ndi chitsulo kapena faifi tambala amatha kukhala ndi maginito.
Chifukwa cha zojambulazo zamkuwa zimakhala ndi ntchito yapadera, zakhala zikugwiritsidwa ntchito mofala ngati zinthu zotsutsana ndi abrasion pazida zamagetsi zamagetsi, kuponyera kwamphamvu kwa mpweya, zolumikizira, mapini ndi zida zolondola kwambiri. Lili ndi izi:
- kuchuluka kwa phosphorous, kukana kutopa kwakukulu;
- Good elasticity ndi kukana abrasive;
- Palibe maginito, katundu wabwino wamakina ndi magwiridwe antchito;
- Kukana kwa dzimbiri kwabwino, kosavuta kuwotcherera ndi kuwotcherera, ndipo palibe chowotcha pamoto;
- Good conductivity, otetezeka kutentha kwambiri.
Nthawi yotumiza: Sep-29-2020