Gịnị bụ silver solder? Properties na photos

Iji zọpụta ego, ọtụtụ na-mere nke silver solder site n'aka. Ka anyị na-akọwa na atụmatụ nke technology, ngwa nke okokụre alloy.

Ọ bụrụ na ị na-adịghị obi ike na ha ga-emeli, ọ dị mma ịzụta njikere mere pasta na Ekwela oge na-enyo enyo nwere.

Gịnị bụ ihe alloy

Pure silver - a adụ metal, n'ihi ya, ọ bụghị kwesịrị ekwesị maka ọrụ. Ọwọrọ nwe-etinye ngwakọta nke na-emi esịnede zinc, nickel, aluminum, ọla kọpa na cadmium. The silver solders karịa ọlaọcha na-agụnye zinc na ọla kọpa. The onuete kpụrụ dị otú ahụ a mejupụtara, nwetara ike na inogide.

The ogige ọlaọcha, ọla kọpa, zinc, nwere nnukwu ike agbaze. Ha na-eji ọlaọcha solder. Ịchịkwa ya mmasị ọnụego Ọdịdị e mere na-GOST 19746 74. Solders, silver ọkwa a na mgbe nile kpọmkwem na ntuziaka ka ngwaahịa. Solder onuete, nke na-enwetara a n'ụzọ a na-enwetara a siri ike.

Solder ika PSrMts 37

silver solder waya (37 PSrMts na Sep-25) a na-eji jikọọ na-ebupụta mere nke ọla. Ụdị n'ihi na ya rụpụta bụ a na-aga n'ihu mpempe akwụkwọ. Ọ na-ebipụ n'ime ibe nke ọkpụrụkpụ 1.5-2 mm. The gaps n'etiti isonyere na-ebupụta na-jupụtara na silver solder, pụrụ iguzogide n'ibu deformation na vibration.

chemical mejupụtara

usoro technology na-dabere na ojiji nke silver solder, bu n'obi maka soldering nzọụkwụ. Nyere na solder ga idi okpomọkụ ruo 600 ° C, ya mmiri bụ: 33% cadmium, 30% silver, 16% zinc, 20% ọla kọpa. The mejupụtara bụ kama na-emebi emebi, ike idi vibrations. Mgbe ego ọlaọcha 52% nke ọmụmụ ngwakọta na-enwetara idi a multistage soldering.

Main nri Ntụziaka silver solder

Ka anyị gbalịa ịghọta ihe-esi mee ka ọlaọcha solder n'ụlọ. E nwere ọtụtụ nhọrọ maka ya rụpụta, onye ọ bụla nwere ya nuances. Iji nweta ihe alloy mkpụrụ ego a chọrọ (iri ise dollars) 1924 , nakwa dị ka ise cents na 1962. Na-arụ ọrụ dị mkpa: Ingus, silver, gas burner, a ngaji.

Manufacturing ọlaọcha solder amalite agbazekwa dị oké ọnụ ahịa metal. Mgbe ahụ tinye nickels mkpụrụ ego. Iji n'ụzọ zuru ezu na-akpali akpali, na ngwakọta jijiji na ngaji. Na oge nke usoro a na-adabere na nke ikpeazụ n'ihi nke Ịgwakọta. Na mwepu nke a technology bụ na-esure ihe chemical mmiri na-mkpa ka solder. Ọzọ, ndị ọkachamara na-emepụta ya aka alloy agwa ya n'ime Ingus enweghị firing apụta. The nke pụrụ ịkpata solder nwere a 900 sample. Mgbe soldering agbanwe oge ga-kwadebere ọhụrụ, iji hụ na àgwà nke na-arụ ọrụ. Master Failụ bụ ire ọkụ na gas burner mechie nwetara ọbụna na inogide.

Nka na ụzụ ọrụ

N'ihi na teknuzu akwụkwọ eji ọlaọcha solder gụnyere 80 akụkụ ọlaọcha, ọla kọpa 16, 4 zinc. Of mmasị jewelery silver solder, onye mejupụtara bụ: 2.8 akụkụ ọla, 7 - silver, 0,2 - zinc. Tupu ọrụ a rụrụ site na-agba ọla oxide film. Iji nweta 10 grams nke solder 999 bụ wụrụ awụ silver. Brass na-agbakwunyere mmiri mmiri metal, na-akpali ịsọ ngaji. Mgbe zuru agbaze nke ngwakọta e jikọtara na zinc, na n'ihi mejupụtara na-akpọrepu. Ọzọkwa akpọrepu mpempe akwụkwọ a na-ebipụ ya na mkpa na ntukwasi na itule. Maka irè ọrụ dị mkpa: ngaji, sandpaper, a gas burner, akpịrịkpa, rebates, maka Ịgwakọta ngaji. Silver solders emela ọla, silver, dị ọcha zinc borax. Maka n'ichepụta oru ngwọta ndị silver solder 94 ma ọ bụ 96 n'omume. Nweta a metal ike n'oge combustion silverware: ikpa isi, ikpa isi, brocades.

solder agbaze

Gbazee ọla nke bụ akụkụ nke ngwakọta nwetara na crucible silver solder n'ihi na ígwè. Ebe ahụ jel n'ime ọkụ, iji dozie pụrụ iche akụrụngwa: borax, a akpa mmiri, carbonic ngwakọta nke ígwè nko crucible. First ọ dị mkpa ka ọ gbazee refractory na-ahụ kwukwara na a ngwakọta nke fusible ọla. Ime na aka ya elu àgwà solder, ọrụ a ga-kewara abụọ nkebi. Akpa, crucible E wepụrụ crucible, sonyeere metal mmiri-jupụta akpa. N'ihi ya, e nwere ezi solder ụmụ irighiri mmiri. Ha na-Fikiere, mgbe ahụ, re-gbazee, ekpuchi aja aja. Ozugbo metal kpamkpam gbazee, ọ wụsara n'ime pụrụ iche Ebu. Mgbe solidification nke Ogwe ma ọ bụ taịl nile lakpuru mkpa ibe. Maka ụdi ojiji nke ịkpụ na a lathe on a mkpa waya.

Njirimara formulations ajụ meltability

Gịnị bụ arụrụ n'ụlọ silver solders? Ha Njirimara ndị yiri ndị ikwọ ndị na-na ihe ulo oru gburugburu ebe obibi. Anyị nwetara elu brazing ike, corrosion eguzogide, ala agbaze mgbe, akwa kwes conductivity. N'oge ọrụ, ndị mejupụtara ihe jupụtara n'ime dum mbara n'etiti solder ebupụta, enye a ezigbo onye na inogide onuete. Ọ bụrụ na ị chọrọ ka a akara PSP-72 alloy dị mkpa icheta na site doping na lithium agbaze n'ókè nke ọla kọpa na-ebelata. Ndị dị otú ahụ a mejupụtara adabara brazing ígwè na akụkụ na na-eguzogide ọgwụ chemical corrosion.

Akwadebe a solder ke ufọk: atụmatụ na algọridim

Silver brazing n'ụlọ na-achọ a reverse usoro - akakabarede ji ígwè wụọ na ihe siri ike ala. Nke mbụ, ọ dị mkpa na-kpamkpam agbazekwa silver, na mgbe ahụ, ọ na-achụpụ na Ingus. The dum arụ ọrụ na-agba atọ: imewe nke spoons - Foundry, ihe mmako agbanwe oge, a pụrụ isi chọta na a spoonful nke ogbe, kpụrụ, a akụrụngwa, ịtụkwasị ya na Ingus.

Ebe ahụ ngaji na ala nke a obere kaadiboodu igbe, mgbe ahụ, efere a obere ibu, n'ihi ya, ọ ọbọp ọnu a ngaji. Mgbe ahụ qualitatively eghe katọn Ibé akwụkwọ. The bed kwesịrị concave nweta chọrọ N'ihi. solder agbaze usoro ke ufọk na-ruo ogologo oge, n'ihi ya, nwere ndidi. ogbe sorting a rụrụ na ọla akpịrịkpa. Master mkpa ndị na-esonụ ihe:

• ọla, electronic akpịrịkpa;
• 20 g nke silver scrap 916 samples;
• silver scrap 875 samples;
• ọcha silver (12 grams);
• borax;
• metal solder;
• gas burner

The dum ogbe ekewa n'ime ọtụtụ ikpo 18-20 grams. Mixed scrap ọlaọcha na 875 n'omume. N'ihi na a n'oké achọ ihe dị 6 grams nke scrap na 42% ọcha. Magnet na-kpochara si adịghị ígwè.

875 samples e ọlaọcha na ọla kọpa maka imewe nke solder, ruru kwesịrị 4: 1 (iri ise dollars na-achọ ọlaọcha atọ ọla kọpa mkpụrụ ego). N'ihi na agbanwe agbanwe oge na-eji borax na a ruru nke 1 10. Next, rụrụ ire ọkụ ukpụhọde. Anyị adịghị ike ikwu ukwuu ọkụ, ọ ga-eduga ọkụ metal, kama-agbaze. N'elu gas burner-etinye ngaji. Na usoro nke agbaze dịgasị silver agba, ọ na-asọdata na ala.

Ọzọkwa Ingus enịm nso bụ ire ọkụ ka ikpo ya. N'ihi na elu-edu gbazee ya mbụ tee na wax. Ekwela ka jụrụ nke gbazee na gloss, ọ ga-ezighị-emetụta teknuzu ji mara solder. Liquid metal na-wụsara nwayọọ nwayọọ ụtọ Ingus. Mgbe ahụ, ka mmiri oyi. Mgbe zuru jụrụ mmanya dọpụta ya, mbịne a ụdị. Asbestos ma ọ bụ katọn mkpuchi ga-eji na 3-5 heats.

Mmezi nke silverware

Mara mma ígwè, ọla aka, ọla ntị, ndụdụ, spoons, coasters ji ọlaọcha mee mma na ndụ mmadụ. Ma ka oge na-, dị oké ọnụ ahịa metal ngwaahịa gbarie, na mkpa nke idozi na mweghachi. Ịrụ ndị dị otú ahụ na-arụ ọrụ chọrọ silver solder. N'ihi na 925 ọ ga-mere site n'aka, iji ndụmọdụ nke ọkachamara jewelers. N'ihi na ọrụ ị na-achọ ihe na ngwaọrụ: soldering ot na oge ufodu mgbatị solder, silver scrap. The mfe version nke otú ịrụzi adọwa yinye - were ya na-a ere goodu. Ma i nwere ike merie nsogbu na n'ụlọ zọpụta ego. Iji aka soldered silver, ị ga-nna na algọridim nke omume, na nkà na ụzụ ụzọ, na-amụ nkịtị Njirimara nke ọla-ọcha na ya alloys.

Iwu soldering silverware

Iji eme ihe ndị a na-eme dị mkpa inwe ihe ọmụma banyere physico-chemical e ji mara ihe. Silver agbaze uche - 960 degrees Celsius. Si ele ihe anya nke jewelers bụ nkezi. Dị ka ihe atụ, a na ọla kọpa agbaze bụ omume na 1083ºS gold agbaze na 1063ºS.

Dabere na mmiri esịne ke silver ịdị iche iche ha okpomọkụ. Iji n'ụzọ ziri ezi mata àgwà nke alloy, ọ bụ omume na-na-uru nke oru akwụkwọ ntuziaka. Akara silver solders Russian na-agụnye a usoro nke akwụkwọ ozi na nọmba. Ọgụgụ mara na pasent nke a magburu onwe metal na solder.

Ịrụzi a silver ngwaahịa, mkpa ka i kwadebe a soldering ígwè, ọcha elu. Silver solder-enye ohere maka ike, uko nkwonkwo, eguzogide corrosion. Mgbe ịrụzi ọla ide solder nwere ihe karịrị pasent 70 silver, ma ọ bụ a pụrụ iche solder tapawa.

N'ụlọ, maka idozi obere ọla kwesịrị ekwesị silver alloys, zinc, ọla kọpa na cadmium. Ezigbo maka "novices" ga-abụ ndị na-esonụ mejupụtara: silver 45 n'akụkụ, 25 - ọla kọpa, 30 - zinc. -Agbaze mmiri a rụrụ na a muffle ọkụ achọ agbanwe oge. Ihe ngwakọta a wụsara n'elu a mkpụrụ, mgbe obi jụrụ, na-gabiga a Rolling igwe nweta fere fere. Ha ọkpụrụkpụ ekwesịghị gafere 0,5 mm. N'ihi na n'ụlọ soldering mkpa Ibé akwụkwọ nke a obosara nke 1-3 mm. Home nri maka silver ọla bụghị na-achọsi ike iji ikwọ nwere cadmium. Nke a metal-akpata oké nsogbu ahụ ike. Jikọtara ebe ọ gụrụ ikuku, oxides ii. Iji gbochie nke a onu, eji na home nri colophon (agbanwe oge). N'elu agbaze ọlaọcha solder dị mkpa iji na-eso edo nkesa nke agbanwe agbanwe oge nke si mesoo n'elu. Ọ bụrụ na e abụọ ọ bụla na nkà na usoro iwu ihe ọmụma nke soldering usoro, ọ kacha mma ịkpọtụrụ a ọkachamara ere goodu.

Ọ bụghị na-atụ aro maka ke home ikwọ nwere cadmium, dị ka evaporation nke ọ ahụ ike nwere a-ezighị ezi mmetụta. Iji gbochie oxidative usoro na ndị ọzọ siri Jeremaya ike iji a agbanwe oge (colophon). Ọ dị mkpa ka ọ na-uniformly ekesa n'elu nke metal.

ọgwụgwụ

Silver brazing chọrọ pụrụ iche nkà si ukwu na obi ike. The chọrọ N'ihi bụ ekwe omume naanị ma ọ bụrụ na kwesịrị ekwesị họrọ agbanwe oge, silver solder. silver scrap bụ adabara home Ndozi, ebe ọ bụ na agbaze ebe dị obere karịa nke weghachiri eweghachi ihe. Adabara arụ ọrụ na ikwọ enwe hà na-agwaghị agwa silver-agbazekwa index. Nke a ga-eme ka eruba n'oge agbaze nke solder.