InotungamirwaSainzi

Metal Kuneta: Chii uye sei Ungakunda naye?

Kakawanda chinokonzera kukundikana-siyana zvokushandisa ndiyo simbi kuneta. Uye zvinoitika kwete chete pashure kushandiswa kwenguva refu, asi pakutanga midziyo kana motokari. Chikonzero izvi nguva nenguva simba mitoro inowira Munhu raiva pedyo nebundu kana chinhu kwete chete panguva aurayiwe zvikuru basa, asiwo mukugadzira kwacho. Somugumisiro, mashoko acho anotanga kuputsa, kunyange kana voltage ukoshi haana kusvika tsika pakati tensile simba.

Kutaura zvazviri, kurukutika - kuchinja inokosha simbi zvivako (zvemaziso uye panyama) pasi cyclic mupfungwa uye epfungwa. Izvi zvinoreva STRUCTURAL kuchinja mashoko kuitika panguva makro uye micro pamwero, inotorerwa pakutsvaga pokuiswa ezvinhu uye zvivako zviri workpiece.

Kurondedzera simbi propensity ichi mhando kuparadza wakadaro izwi chinoshanda, sezvo kutsungirira muganhu. Ichi parameter anokosha dziwande akaenzana kunonyanyisa voltage zvinogona kudzivisa zvinhu pamusoro zvinogara miriyoni 10 kana kupfuura, i.e. kuti iine vachizvitakudza nguva.

simbi kuneta hakuitiki minutely, uye ichi ndicho kwayo chikuru ngozi. Zvinotora nguva kuti kwakaitika zvinhu kuchinja kuti vanogona externally hazvigoni richiratidzwa. Dzavo hunhu yepakutanga simbi ehupfumi vakatsunga zvikuru kunetseka ezvinhu vachizvitakudza kuchiitwa uye mugumisiro kwezvakatipoteredza. Kusvikira pamwero, zvose yokuvamba mananara vari reversible. Zvisinei, nokufamba kwenguva, kuramba kudzikisirana zvishoma nezvishoma anotanga kuvira, uye pane anonzi kukuvara kuneta.

Pakutanga chaizvo mudariro simbi kuneta anotanga kuitika panguva STRUCTURAL pachiyero, kana zviyo miganhu uye zvimwe zvinoumba Micro-makatsemuka dzinotanga kuonekwa, riri unozotevera akaitwa vachizvitakudza anotendeuka kupinda macrocracks. Izvi zvinozoita kunova chinhu chikuru STRUCTURAL kukundikana rwokupedzisira chinhu kwacho kana mharidzo panguva zvokuimba yokuedzwa.

Most zvakajeka simbi kuneta munyonga inechirevo chete zita rinoratidza runoenzanirana ukama pakati nhamba zvinogara kwakaitirwa mharidzo pachikuva uye kukuvadza kubvira nguva panowanikwa makatsemuka uye anopera nokuparadzwa chokupedzisira chinhu kuferefeta. Sezvo kuneta mananara pakutanga kuonekwa munzvimbo STRUCTURAL kusakwana, kuparadzira chiri probabilistic zvakasikwa, uye kuneta unhu inozviisa mitemo chete. Miedzo anoteererwa kazhinji ari kutenderera mharidzo, kuda kugara vachikotama mutoro.

simbi kuneta zvikuru kuona kushanda ezvinhu ane zvakagadzirwa. Kuvapo chinoshingaira svikiro uye zvakakwana yakakwirira tembiricha inogona yekudyidzana mhanyisa zvinhu runoyerera ari akaipa kwendangariro. Usateerere Mashoko ari substantially kuderedzwa pamberi siyana STRUCTURAL inhomogeneities kuvapo dzisiri esimbi inclusions, non-dzakafanana kuparadzirwa alloying okunze, uyewo nokushayiwa pemvura utsanana. Kuti izvi zvisaitika, zvinokwanisika kushandisa dzakasiyana-siyana pamusoro kurapwa, rinogona kusika ari chapamusoro zvinhu, residual compression mupfungwa. Kazhinji, chinangwa ichi rinoitwa diffusion saturation, akaita basa nokuomesa kana pamusoro nokuomesa nokuda nzira dzakasiyana-siyana, somuenzaniso nokuita Laser nokuomesa.

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