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Kodi mungapange bwanji thovu lamkuwa?

Kufotokozera Kwachidule:

Chithovu chamkuwa ndi mtundu watsopano wazinthu zambiri zogwirira ntchito zomwe zimakhala ndi ma pores ambiri olumikizidwa kapena osalumikizana omwe amagawidwa mofanana pamatrix amkuwa. Chithovu chamkuwa chimakhala ndi madulidwe abwino komanso ductility. Poyerekeza ndi thovu la faifi tambala, ili ndi mtengo wotsika wokonzekera komanso madulidwe abwino, ndipo itha kugwiritsidwa ntchito pokonzekera zakuthupi za batri negative electrode (chonyamulira), chonyamulira chothandizira komanso zotchingira zamagetsi.
Makamaka, mkuwa wokhala ndi thovu uli ndi zabwino zina zodziwikiratu monga gawo lapansi la maelekitirodi a batri, koma chifukwa mkuwa sulimbana ndi dzimbiri monga faifi tambala, umachepetsanso ntchito zake.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Chithovu chamkuwa-01
Chithovu chamkuwa ndi mtundu watsopano wazinthu zambiri zogwirira ntchito zomwe zimakhala ndi ma pores ambiri olumikizidwa kapena osalumikizana omwe amagawidwa mofanana pamatrix amkuwa. Chithovu chamkuwa chimakhala ndi madulidwe abwino komanso ductility. Poyerekeza ndi thovu la faifi tambala, ili ndi mtengo wotsika wokonzekera komanso madulidwe abwino, ndipo itha kugwiritsidwa ntchito pokonzekera zakuthupi za batri negative electrode (chonyamulira), chonyamulira chothandizira komanso zotchingira zamagetsi.
Makamaka, mkuwa wokhala ndi thovu uli ndi zabwino zina zodziwikiratu monga gawo laling'ono la ma electrode a batri, koma chifukwa mkuwa sulimbana ndi dzimbiri monga faifi tambala, umachepetsanso ntchito zake.
Mkuwa wokhala ndi thovu umakonzedwa ndi zitsulo za ufa ndi electroplating, ndipo chitsulo chosungunuka chimakonzedwa ndikuwonjezera chopangira thovu muchitsulo chosungunuka;
1.Powder metallurgy metallurgy zitsulo zopangidwa ndi kuwonjezera chowombera (monga NH4Cl) ku ufa, chowombera chiwombankhanga panthawi ya sintering, kusiya voids.
2. Electrochemical deposition njira angagwiritsidwe ntchito pokonzekera zitsulo thovu ndi mawonekedwe wokhazikika ndi porosity mpaka 95%, kuphatikizapo zitsulo thovu ndi Cu, Ni, NiCrFe, ZnCu, NiCu, NiCrW, NiFe ndi zitsulo zina ndi kaloti monga mafupa.

Chitsulocho chimayikidwa pa thupi la porous ndi njira ya electrochemical, ndipo zigawo zomwe zimayikidwa zimagwirizanitsidwa pamodzi ndi sintering, ndipo mphamvuyo imafika ku thovu lachitsulo lofunika kwambiri, lomwe liri ndi porosity yapamwamba ndipo likhoza kudzazidwa ndi zipangizo zambiri, monga zolimbikitsa. . electrolyte, etc.
3. Kupyolera-bowothovu lamkuwaamakonzedwa ndi sintering-chiwonongeko ndondomeko, ndi electrolytic mkuwa ufa, NaCl particles ndi zina zimasakanizidwa uniformly ndi mbamuikha mu compacts wobiriwira. Ng'anjo ya sintering imayikidwa mu argon atmosphere for sintering, ndipo mankhwala omwe apezeka amaikidwa m'madzi otentha ozungulira. Kusungunuka mu chipangizo, ndiye kutsukidwa ndi akupanga madzi osamba ndi acetone, ndipo potsiriza zouma kupanga pores lotseguka, amene amapangidwa ndi njira zitatu chikugwirizana danga maukonde, ndi porosity wa 50-81%, pafupifupi pore awiri a 0,2- 4 mm, ndi kugawa pore.

Chithovu chamkuwa-02


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