Iji zere n'ihi ọlaọcha kọntaktị na-ere ọkụ, static kọntaktị ọnụ n'ime a curved udi, etiti kọntaktị na-apụta akụkụ.Ya mere, arc agaghị n'elu kọntaktị nke combustion.Ọ bụ ụdị kọntaktị ka mma, yana ngwa ya na-abawanye ụba.Usoro ọrụ nke kọntaktị nke kọntaktị na-etinye n'ihu ọtụtụ ihe achọrọ maka ihe.N'ihi na ọla kọpa nwere ezigbo ọkụ eletrik na ọkụ eletrik.Isi ike zuru oke.Ebe mgbaze dị elu, nhazi dị mfe.Ya mere, a na-eji ya eme ihe dị ka akụkụ kọntaktị conductive nke elu voltaji sekit breaker.Ma site n'aka ọla kọpa na-adị mfe oxidized, oxidation nke kọntaktị na-eguzogide.Ya mere, na ụfọdụ ihe mgbawa sekit, ọla kọpa kpuchiri oyi akwa ọlaọcha n'èzí kọntaktị bụ isi.

Silver nwere ezigbo conductivity, ihe nkiri oxide na-eduzi, nwere ike imeziwanye ọrụ ọrụ nke kọntaktị ọla kọpa ọlaọcha plated.Site na iji eriri sekit na-eme ihe ugboro ugboro, a na-abawanye mmetụta kọntaktị arc arc, ihu kọntaktị nwere ike ịbụ nnukwu mfu, ya mere, nkwụghachi ọkụ kọntaktị ọlaọcha, iguzogide nguzogide arc, nguzogide abrasion ma tinye ihe achọrọ dị elu.Usoro metallurgy ntụ ntụ emeghewo ụzọ ọhụrụ maka ịmepụta ihe kọntaktị.

Powder metallurgy kama iji nkịtị metallurgical usoro, ma abụọ iche iche nke metal ntụ ntụ agwakọta ọnụ na ebu ịpị akpụ.Na gas na-echebe (hydrogen) na usoro nsị.Ụdị ọla edo a bụ n'ezie ngwakọta nke taiwan.N'ihi na usoro ahụ yiri ngwaahịa seramiiki, a na-akpọkwa ya alloy ebu.A na-eji ọla kọpa tungsten ọla kọpa, nickel ọlaọcha, ọlaọcha, graphite na-etinye ihe mgbawa sekit dị elu nke ukwuu n'ọtụtụ ebe dị ka nguzogide kọntaktị na mgbanaka arc ma ọ bụ mgbanaka arc.A na-eji ya na relays, contactors, switches, air switch, limit flow switch, moto proof, micro switch, instrumentation, ngwa ụlọ, ụgbọala eletriki (mgbanwe ọkụ na ịmalite ibu moto), mgbanaka nchebe ntapu.N'iji ya tụnyere ọlaọcha cadmium oxide, ọlaọcha tin oxide adịghị nwere cadmium metal na-egbu egbu, nke metal oxide nwere nkwụsi ike dị elu, na-enwe ezigbo ọkụ eletrik na okpomọkụ, na usoro nkwụsịtụ nwere nnukwu nguzogide okpomọkụ, arc erosion resistance na mgbochi ịgbado ọkụ, ka iji hụ na a pụrụ ịdabere na ọrụ nke eletriki ngwa, dịkwuo ọrụ ndụ.Na ngwa ngwa mmepe nke ọlaọcha tin oxide, ọbụna na ụfọdụ n'ime ọkụ eletrik na-enweghị ime nnukwu mgbanwe nwere ike iji ọlaọcha tin oxide dochie AgCdO.A na-eji ya sitere na 10A - 100A, n'ọtụtụ arụmọrụ dị nso ọbụna karịa ọlaọcha cadmium oxide.

Nwere ego ọlaọcha iji zere kọntaktị na-ere ọkụ ihe kpatara ya, ọnụ ahịa kọntaktị static n'ime ọdịdị gbara agba, kọntaktị dị ike n'etiti akụkụ nke usoro.Ya mere, arc agaghị n'elu kọntaktị nke combustion.Ọ bụ ụdị kọntaktị ka mma, yana ngwa ya na-abawanye ụba.Usoro ọrụ nke kọntaktị nke kọntaktị na-etinye n'ihu ọtụtụ ihe achọrọ maka ihe.N'ihi na ọla kọpa nwere ezigbo ọkụ eletrik na ọkụ eletrik.Isi ike zuru oke.Ebe mgbaze dị elu, nhazi dị mfe.Ya mere, a na-eji ya eme ihe dị ka akụkụ kọntaktị conductive nke elu voltaji sekit breaker.Ma site n'aka ọla kọpa na-adị mfe oxidized, oxidation nke kọntaktị na-eguzogide.Ya mere, na ụfọdụ ihe mgbawa sekit, ọla kọpa kpuchiri oyi akwa ọlaọcha n'èzí kọntaktị bụ isi.

Silver nwere ezigbo conductivity, ihe nkiri oxide na-eduzi, nwere ike imeziwanye ọrụ ọrụ nke kọntaktị ọla kọpa ọlaọcha plated.Site na iji eriri sekit eme ihe ugboro ugboro, mmetụta arc arc na-ekpo ọkụ na-abawanye nke ukwuu, elu kọntaktị nwere ike ịbụ nnukwu mfu, yabụ nkwụghachi ọkụ kọntaktị ọlaọcha, iguzogide nguzogide arc, nguzogide abrasion ma tinye ihe achọrọ dị elu.Usoro metallurgy ntụ ntụ emeghewo ụzọ ọhụrụ maka ịmepụta ihe kọntaktị.