Isigaba esiphindwe kabini se-DP

Imveliso:

I-duplex stainless steel ebizwa ngokuba yi-duplex kwisisombululo sayo esiqinileyo se-ferrite phase kunye ne-austenite idibana nesiqingatha ngasinye, ngokubanzi umxholo omncinci womxholo nawo kufuneka ufikelele kwi-30%. Kwimeko ye-C ephantsi, umxholo we-Cr we-18% ukuya kwi-28%, umxholo we-Ni we-3% ukuya kwi-10%. Ezinye intsimbi zikwaqulathe i-Mo, i-Cu, i-Nb, i-Ti, i-N kunye nezinye izinto ze-alloying.

 

Iingenelo.

Intsimbi ineempawu zentsimbi engagqwaliyo ye-austenitic kunye ne-ferritic,

1. xa kuthelekiswa ne-ferrite, i-plasticity, ubulukhuni obuphezulu, ukungabikho kobushushu begumbi, ukumelana nokugqwala kwe-intergranular kunye nokusebenza kwe-welding kuphuculwe kakhulu, ngelixa kugcinwa isinyithi esingenasici esifanelekileyo i-475 ℃ brittleness kunye ne-thermal conductivity ephezulu, kunye ne-superplasticity njalo njalo.

2. Xa kuthelekiswa nentsimbi engagqwaliyo ye-austenitic, amandla aphezulu kunye nokumelana nokugqwala phakathi kwe-granular kunye nokumelana noxinzelelo lwe-chloride ukugqwala kuphucuke kakhulu.

3. Intsimbi engatyiwayo ephindwe kabini inokumelana okuhle kakhulu nokugqwala, kodwa ikwanokumelana nenxalenye yentsimbi engatyiwayo ye-nickel.