U-Rob Koltz no-Dave Meyer baxoxa ngezici ze-ferritic (magnetic) kanye ne-austenitic (ezingezona kazibuthe) zezinsimbi ezingenasici ezishiselwe.Izithombe ze-Getty
Umbuzo: Ngishisela ithangi elenziwe ngensimbi engagqwali engu-316, elingenazibuthe.Ngiqale ukushisela amathange amanzi ngocingo lwe-ER316L futhi ngathola ukuthi amashisela anozibuthe.Ngabe kukhona okungalungile engikwenzayo?
IMPENDULO: Cishe akukho okumele ukhathazeke ngakho.Kujwayelekile ukuthi amashidi enziwe nge-ER316L ahehe uzibuthe, futhi kuvame kakhulu ukuthi amashidi namashidi agingqiwe angu-316 angahehi uzibuthe.
Ama-alloys e-iron akhona ngezigaba eziningana ezihlukene kuye ngokuthi izinga lokushisa kanye nezinga le-alloying, okusho ukuthi ama-athomu ensimbi ahlelwa ngendlela ehlukile.Izigaba ezimbili ezivame kakhulu i-austenite ne-ferrite.I-Austenite ayiyona i-magnetic kanti i-ferrite iyimagnetic.
Ku-carbon steel evamile, i-austenite iyisigaba esikhona kuphela emazingeni okushisa aphezulu, futhi njengoba insimbi iphola, i-austenite ishintsha ibe i-ferrite.Ngakho-ke, ekamelweni lokushisa, i-carbon steel iyimagnetic.
Amamaki amaningana ensimbi engagqwali, okuhlanganisa i-304 ne-316, abizwa ngokuthi ama-austenitic stainless steels ngoba isigaba sawo esiyinhloko siyi-austenite ekamelweni lokushisa.Lezi zinsimbi ezingenasici ziqina zibe i-ferrite futhi ziguqule zibe i-austenite uma zipholile.Amapuleti ensimbi engagqwali ye-Austenitic kanye namashidi aqhutshwa imisebenzi yokupholisa nokugingqa elawulwayo, ngokuvamile eqinisekisa ukuthi yonke i-ferrite ishintshile.
Maphakathi nekhulu lama-20, kwatholakala ukuthi lapho Welding austenitic engagqwali izinsimbi, ukuba khona ezinye ferrite ku weld metal kuvimbela microcracking (ukuqhekeka) okungenzeka lapho insimbi filler kuyinto austenitic ngokuphelele. okuqukethwe kwe-ferrite kumashisela ensimbi engagqwali nakho kungakala izinga lokukhanga kazibuthe.
I-316 inezinhlelo zokusebenza lapho ukunciphisa amandla kazibuthe e-weld kubaluleke kakhulu, kodwa lokhu akuvamile ukuthi kudingeke emathangeni.Ngithemba ukuthi ungaqhubeka nokunamathisela ngaphandle kokukhathazeka.
I-WELDER, eyayaziwa ngokuthi i-Practical Welding Today, ibonisa abantu bangempela abenza imikhiqizo esiyisebenzisayo nesisebenza ngayo nsuku zonke.Lo magazini ususebenzele umphakathi wokushisela eNyakatho Melika iminyaka engaphezu kwengu-20.
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