Silver alloy iṣẹ ilọsiwaju

Silver jẹ lalailopinpin rirọ ati ki o rọrun lati lọwọ.Lati le mu agbara ati lile rẹ pọ si ati ki o pọ si irẹwẹsi wiwu rẹ, awọn eniyan ti fi bàbà kun fun fadaka lati ṣe awọn ohun-ọṣọ fadaka-ejò, eyiti a lo ninu awọn ohun-ọṣọ, awọn ohun elo tabili ati awọn owó fadaka.Lati ṣe ilọsiwaju iṣẹ ti fadaka-ejò alloys, nickel, beryllium, vanadium, lithium ati awọn paati kẹta miiran ni a ṣafikun nigbagbogbo lati ṣe awọn alloy ternary.Ni afikun, ọpọlọpọ awọn eroja miiran ti a ṣafikun si fadaka le tun ṣe ipa agbara.Awọn ipa ti alloying eroja lori Brinell líle ti fadaka ti han ni Figure 1. Cadmium jẹ tun kan commonly lo okun ano.

Bó tilẹ̀ jẹ́ pé fàdákà jẹ́ aláìlèṣiṣẹ́mọ́ nínú àyíká àyíká, ó máa ń tètè bà jẹ́, a sì sọ ọ́ di sulfur nípa àyíká tí ó ní imí ọjọ́.Imudara resistance ti fadaka si sulfidation tun jẹ nipasẹ alloying, gẹgẹbi fifi goolu ati palladium lati dinku oṣuwọn ti iṣelọpọ fiimu sulfide fadaka.Ni afikun, ọpọlọpọ awọn eroja irin ipilẹ gẹgẹbi manganese, antimony, tin, germanium, arsenic, gallium, indium, aluminiomu, zinc, nickel, ati vanadium tun le ṣe afikun si fadaka lati mu ilọsiwaju sulfur rẹ dara si.Ọpọlọpọ awọn oriṣi ti fadaka-orisun ohun elo olubasọrọ itanna, ni awọn alloyed ipinle, ati awọn ti wọn le tun ti wa ni ṣe sinu iro alloys nipa powder Metallurgy.Idi wọn ni lati teramo, wọ ati ilọsiwaju iṣẹ olubasọrọ itanna.Fun awọn idi oriṣiriṣi, nigbagbogbo ṣafikun awọn paati pupọ.Ni alloy-type-kekere agbara sisun ohun elo olubasọrọ, manganese, iridium, bismuth, aluminiomu, asiwaju tabi thallium ti wa ni igba kun lati mu yiya resistance.Fadaka-orisun alloy brazing metal filler ni iru brazing filler irin pẹlu awọn burandi pupọ julọ, lilo pupọ julọ, ati iye ti o tobi julọ ti awọn irin filler irin brazing irin iyebiye.Awọn ibeere akọkọ fun awọn ohun elo brazing jẹ iwọn otutu alurinmorin, aaye yo, tutu ati agbara alurinmorin.Awọn alloy fadaka bi awọn irin kikun brazing nigbagbogbo ni afikun pẹlu bàbà, zinc, cadmium, manganese, tin, indium ati awọn eroja alloying miiran lati mu iṣẹ ṣiṣe alurinmorin dara si.