iipropati Welding ezahlukeneyoiialloyi zobhedu:
1. I-thermal conductivity yobhedu obomvu iphezulu.I-thermal conductivity yobhedu obomvu kwindawo yokushisa kwegumbi malunga namaxesha angama-8 amakhulu kune-carbon steel.Kunzima ukutshisa kwindawo yokutshisa i-weldment yobhedu kwiqondo lokushisa elinyibilikayo.Ngoko ke, umthombo wokushisa onamandla agxininisiweyo kufuneka usetyenziswe ngexesha le-welding.Iintanda zivame ukwenzeka xa i-alloys yobhedu kunye ne-copper idityanisiwe.Iintanda zifumaneka kwi-welds, imigca yokudibanisa kunye neendawo ezichaphazelekayo kubushushu.Ukuqhekeka kumonakalo we-intergranular, kwaye umbala ocacileyo we-oxidation unokubonwa ukusuka kwicandelo lomnqamlezo.Ngethuba lenkqubo ye-crystallization ye-welding, landela i-oksijini kunye nefom yethusi i-Cu2O, kwaye wenze i-eutectic ephantsi-encibilikayo (α + Cu2O) kunye ne-α yethusi, kunye ne-melting point yi-1064 ° C.
2. Ilothe ayinyibiliki kubhedu oluqinileyo, kwaye ilothe kunye nobhedu zenza i-eutectic enyibilikayo ephantsi enendawo yokunyibilika malunga ne-326 ° C.Ngaphantsi kwesenzo se-welding yoxinzelelo lwangaphakathi, i-copper kunye ne-alloy alloy joints kwiqondo lokushisa eliphezulu lenza ii-cracks kwiindawo ezinqabileyo ze-welded joints.Ukongeza, i-hydrogen kwi-weld nayo inokubangela iintanda.I-Porosity idla ngokuvela kwi-welds yobhedu kunye ne-alloys yobhedu.I-Porosity kwintsimbi ye-weld yobhedu ibangelwa ikakhulu yigesi ye-hydrogen.Xa i-CO gas inyibilika kubhedu olusulungekileyo, iipores zinokubangelwa ngumphunga wamanzi kunye negesi ye-CO2 eveliswa kukusabela kwekhabhon monoxide kunye neoksijini.
3. I-porosity formation formation ye-alloy welding yobhedu inkulu kakhulu kunobhedu olucocekileyo.Ngokuqhelekileyo, iipores zisasazwa kumbindi we-weld kwaye kufuphi nomgca wokudibanisa.Xa i-alloys yobhedu ecocekileyo kunye ne-alloys i-welded, iimpawu ze-mechanical ze-joint zivame ukunciphisa.Kwinkqubo ye-welding ye-alloys yobhedu, i-oxidation yobhedu, kunye nokunyuka kwe-evaporation kunye nokutshiswa kwezinto ezidibeneyo kuya kwenzeka.Iqondo eliphantsi lokunyibilika i-eutectic kunye neziphene ezahlukeneyo ze-welding zikhokelela ekunciphiseni amandla, iplastiki, ukuxhathisa kwe-corrosion kunye ne-conductivity yombane ye-welding joint.
Ixesha lokuposa: Jun-14-2022