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Zvakanakira Kushandisa Ductile Iron seValve Materials

Zvakanakira Kushandisa Ductile Iron seValve Materials

Iyo ductile iron yakanakira zvinhu zvevharuvhu, nekuti ine zvakawanda zvakanaka.Sechinzvimbo chesimbi, ductile iron yakagadzirwa muna 1949. Kabhoni yekabhoni yesimbi yakakandwa isingasviki 0.3%, nepo iyo yesimbi yakakandwa uye ductile iron inenge 3%.Iyo yakaderera kabhoni yemukati yesimbi yakakandwa inoita kuti kabhoni iripo semahara graphite isaite maflakes.Iyo yakasikwa fomu yekabhoni musimbi yakakandwa ndeyemahara graphite flakes.Mu ductile iron, graphite iri muchimiro chemanodule kwete maflakes senge simbi yakakandwa.Kuenzaniswa nesimbi yakakandwa uye simbi yakakandwa, ductile iron ine zviri nani zvemuviri zvimiro.Ndiwo madunduru akatenderedzwa anotadzisa kusikwa kwekutsemuka, nekudaro ichipa iyo yakawedzerwa ductility iyo inopa iyo alloy zita rayo.Nekudaro, iyo flake musimbi yakakandwa inotungamira mukushaikwa kweiyo ductility yesimbi.Iyo yakanakisa ductility inogona kuwanikwa neiyo ferrite matrix.

Kuenzaniswa nesimbi yakakandwa, ductile iron ine mabhenefiti akakwana mukusimba.Kusimba kwekusimba kwe ductile iron ndeye 60k, nepo iyo yesimbi yakakandwa inongova 31k chete.Iko kusimba kwegoho re ductile iron ndeye 40k, asi simbi yakakandwa hairatidzi simba regoho uye ichatsemuka pakupedzisira.

Simba re ductile iron rinofananidzwa nesimbi yakakandwa.Ductile iron ine goho repamusoro simba.Iyo yakaderera goho simba re ductile iron i40k, nepo goho simba resimbi yakakandwa ingori 36k chete.Mumasevhisi mazhinji emanisipala, senge mvura, mvura yemunyu, chiutsi, corrosion resistance uye oxidation resistance ye ductile iron yakakwirira pane iya yesimbi yakakandwa.Ductile iron inozivikanwawo se spheroidal graphite iron.Nekuda kweiyo spheroidal graphite microstructure, ductile iron yakakwirira kukanda simbi mukunyorovesa vibration, saka inobatsira kuderedza kushushikana.Chikonzero chakakosha chekusarudza ductile iron sechinhu chevharuvhu ndechekuti ine mutengo wakaderera pane simbi yakakandwa.Iyo yakaderera mutengo we ductile iron inoita kuti chinhu ichi chiwedzere kufarirwa.Kunze kwezvo, kusarudza iyo ductile iron inogona kuderedza mutengo wekugadzira.


Nguva yekutumira: Jan-18-2021