Diffusion soldering (yɛrɛyɛrɛli) taabolo ye mun ye?
Diffusion soldering ye jɛ-ka-baara kɛrɛnkɛrɛnnen ye min bɛ solder conventionnelle fɛnw ni solide-state diffusion bonding bonding. fara ɲɔgɔn kan a bɛ conneabilité kosɛbɛ, void-free connections for precision applications i n’a fɔ microelektroniki ani aerospace{{. Anglɛkan tiɲɛni gansan filɛ nin ye:
Hakilina jɔnjɔn:
Miiri k'a filɛ ko " .Solder ni metallurgique upgrade .."
Aw bɛ baara kɛ ni a ye .Filler Metal .(Solder) min bɛ wuli .siɲɛ kelen, nka o kɔfɛ atomike .Diffusion .A bɛ joli caman sɛmɛntiya ka kɛ fɛn barikama ye ani ka sabati – a ka ca a la a bɛ i n’a fɔ nɛgɛ saniyalen walima nɛgɛ ni nɛgɛ cɛ fɛnɲɛnamafagalanw.
4-Sɛbɛn kɛcogo:
1. Labɛnni & Lajɛ .
- Basi nɛgɛw sanfɛla (E{0}}G., kuran, silisiyɔmu, walima seramiki)A saniyalen don .(Oksizɛni/nɔgɔ bɔli).
- a ka 1000 la.Filler Metal .(solder alloy i n' a fɔ AU-SN, AG-SN, walima in-based) bɛ bila yɔrɔw ni ɲɔgɔn cɛ. nin filɛri in na .Jiginni yɔrɔ min bɛ duguma .ka tɛmɛ basigifɛnw kan.
- yɔrɔw bɛ siri .Tansiyɔn danma .Walasa ka mɔgɔw ka ɲɔgɔn sɔrɔ.
2. Fasa jilama & waati tɛmɛnen .
- A lajɛli bɛ sumaya fo ka se a funteni ma .sanfɛ filɛri ka wuliyɔrɔ .(E.g., 300℃Au-SN).
- A filɛri .Melts .ani ka basi nɛgɛw ɲimi, ka kɛ waati dɔɔnin ye .Layɛrɛ jilama .(i n’a fɔ solder conventionnel).
- Danfaraba min bɛ an ni ɲɔgɔn cɛ:Funteni bɛ minɛ .Sanfɛ dɔrɔn .Filɛlikɛla ka wuliyɔrɔ – .ayisanfɛ ka se ka basi nɛgɛw wuli.
3. isotɛri ka solidifikali fɛ diffusion fɛ .
- EMagic bɛ kɛ yan:Atomu minnu bɛ bɔ nɛgɛ basigilen na (E.G., Cu walima Ni)jɛnsɛnnen teliya la .ka don solder molten kɔnɔ.
- O waati kelen na, atomu minnu bɛ bɔ solder (E{0}}G., SN) la .ka jɛnsɛn ka taa .Base métal. .
- O bɛ solder (solder) ka composition (dafalen) Changé (Yɛlɛma) , .A ka wuliyɔrɔ kɔrɔtalen ..
- Result: Lafiller de liquide .solides .ni nɛnɛ tɛ .Assemblée. O bɛ wele ko .isothermal solide ..
- Aw bɛ miiri a la i n’a fɔ kɔgɔ farali jikuru kan – a wuliyɔrɔ bɛ wuli, wa a bɛ sabati hali funteni kelen na.
4. Diffusion extendu & homogène .
- Funteni bɛ mara san 2019 kɔnɔ.Minitiw ka se lɛrɛw ma .(a janya ka bon ni solder conventionnel ye).
- Atomiw bɛ taa ɲɛ ka jɛnsɛn, ka taa a fɛ .homogenising .Joli. .
- Joli laban bɛ kɛ fila la kelen ye:a .Alloy homogène .(ni filɛri/base bɛ bɛn). walima a .Layɛrɛ min bɛ kɛ ni nɛgɛ ye .Sandwiched cɛ nɛgɛ basigilenw cɛ (barika, brittle-free).
- Joginda bɛ wuli sisan a la .Funteni hakɛ caman bɛ sɔrɔ .ka tɛmɛ filɛri fɔlɔ kan – a ka ca a la, a bɛ sɔrɔ basi metal ka wuliyɔrɔ kɛrɛfɛ!
Mun na aw bɛ baara kɛ ni diffusion soldering ye? Nafa jɔnjɔnw:
| Solder conventionnelle . | Diffusion solder . |
|---|---|
| Joint melts at solder ka MP fɔlɔ low . | Jogindaw bɛ wuli ka bɔ ɲɔgɔn na .Base Metal ka .MP sanfɛla . |
| A ka teli ka kɛ yɔrɔ ye . | Void-free ., jɛɲɔgɔnya min bɛ kɛ ni fɛntigiya ye . |
| Sɛgɛn min bɛ sɛgɛn sumaya la, o farati . | A bɛ fiɲɛbɔ kɛlɛ .(E.g., aerospace) |
| A dan ye porogaramuw ye minnu ka dɔgɔ . | A bɛnnen don .Baara min bɛ kɛ ni waati caman ye .(Power Electronics) |
| A barika ka bon ni nɛgɛw ni ɲɔgɔn cɛ . | Contrôlée intermétalliques .(A barika ka bon, a ka dɔgɔ) |
Diɲɛ kɔnɔ baarakɛcogo lakikaw:
1. kuran ɛlektroniki:Silicon carbide (SIC) chips nɔrɔli kuran/DBC substrates la EV inverters. kɔnɔ .
2. Aerospace:ka turbine blades fara ɲɔgɔn kan ni alloys ye minnu bɛ se ka funteni sɔrɔ (u bɛ baara kɛ ni Au-ge filler ye).
3. Optoɛlektroniki:Sealing Laser Diodes in Hermetic Packages (AU-SN Filler).
4. Dɔgɔtɔrɔso kɔnɔ fɛnw:Jogindaw minnu tɛ nɔgɔ ye, olu dilanni titaniyɔmu minɛnw kɔnɔ.
Paramɛtɛrɛ jɔnjɔnw ka kan ka kɛ minnu kan:
- Filler composition .(ka kan ka ɲɔgɔn sɔrɔ ni nɛgɛ basigilen ye).
- Funteni hakɛ ɲɛfɔli .(A ka c’a la, a ka kan ka kɛ ko ±5℃bɛ sɔrɔ tuma caman na).
- Waati min bɛ kɛ funteni na .(a bɛ diffusion depth).
- Gɛrɛntɛ(a bɛ ɲɔgɔn sɔrɔ nka a tɛ yɔrɔw tiɲɛ).
Kuma surun na:Diffusion soldering bɛ filɛri kɛ .siɲɛ kelen, o kɔfɛ a bɛ baara kɛ ni .Atomike jɛnsɛnni min bɛ kɛ ni funteni ye .Walasa ka joli "kɔrɔta" ka kɛ ɲɔgɔndan ye min bɛ se ka wuli, min bɛ se ka da a kan. o ye taa-ka-segin fɛɛrɛ ye ni dɛsɛ ka bɔ sɛgɛn walima sɔgɔli la, o tɛ sugandi ye! 🔥🔬
