Adwumayɛ nnyinasosɛm a ɛfa diffusion welding afiri ho titiriw ne anammɔn titiriw a edidi so yi ne nneɛma a ɛka ho:
Mfitiaseɛ Adwumayɛ Nnyinasosɛm: Diffusion Welding Machine yɛ adwuma wɔ vacuum anaa ahobanbɔ wim tebea mu, na ɛde ɔhyew ne nhyɛsoɔ a ɛkorɔn di dwuma ma adeɛ no hu atom diffusion nkitahodi wɔ solid state. Wɔkyekyɛ adeyɛ pɔtee no mu mmiɛnsa:
Surface contact stage: Workpiece a ɛsɛ sɛ welded no wɔ contact a ɛbɛn wɔ nhyɛso ne ɔhyew adeyɛ ase, na micro-convex fã no fa plastic deformation mu ma contact area ankasa. vacuum environment no yi oxide film ne contaminants de hwɛ hu sɛ ɛho tew dade surface contact.
Interface Diffusion Stage: Ɔhyew a ɛkorɔn ma atom ahorow no trɛw fa interface no so ma ɛyɛ mpɔtam hɔ metallurgical bonding. nhyɛso no hyɛ nkitahodi a ɛbɛn no ho nkuran na ɛtew porosity. so.
Volume diffusion ne grain boundary migration stage: Atɔm kɔ so trɛw kɔ ade no mu, aburow hye tu na ɛsan yɛ nhyehyɛe, ntamgyinafo no yera nkakrankakra, na wɔyɛ dade nkitahodi a ɛyɛ pɛ.
Key process parameters: .
Ɔhyew: Ɛkyerɛ atom diffusion rate. dodow a ɛkɔ soro dodo betumi ama aburow ayɛ mmerɛw. typical range yɛ 0.5~0.8 mpɛn a ɛyɛ melting point.
Nhyɛsoɛ: hyɛ interface no nkitahodiɛ a ɛbɛn ho nkuran na ɛtew porosity. so a ɛyɛ 5 ~ 50MPa.
Time: Ɛka diffusion depth. bere tenten dodo betumi atew adwumayɛ so. kwan a wɔtaa fa so no yɛ simma 10 kosi nnɔnhwerew pii.
vacuum ‐: Siw oxidation ano na yi mframa a ɛwɔ soro a adsorbed gas. vacuum a ɛtaa ba no sua anaasɛ ɛne 10⁻3pa.
Nneɛma a wɔde yɛ adwuma ne adwumayɛ kwan:
Nneɛma titiriw a ɛwɔ mu: Nea ɛka ho ne vacuum nhyehyɛe (mfiridwuma mu pɔmpɛ + molecule pump kuw), ɔhyew nhyehyɛe (resistance heating anaa induction heating), pressurization system (hydraulic anaa mfiri nhyɛso ti) ne control system (PLC anaa kɔmputa so tumi a ɛwɔ ɔhyew, nhyɛso, vacuum℃synergy){1}}
Adwumayɛ kwan a wɔtaa fa so yɛ adwuma: Adwumayɛbea ahosiesie (fam a ɛyɛ fɛ, ahotew, nhyiam), fononoo mu nsu a wɔde pue, ɔhyew ne nhyɛso, ɔhyew a wɔkora so ne nhyɛso a wɔhwɛ so, onwini ne nhyɛso ahotɔ{0}}
Mfiridwuma mu nneɛma a ɛwɔ hɔ:
Mfasoɔ: Ɛho nhia sɛ wobɛma ɔwofoɔ nneɛma no ayɛ hyew, wobɛkwati ɔhyew mu mpaapaemu, abon ne fusion welding sintɔ foforɔ, a ɛfata ma nneɛma a ɛne no nhyia Nkitaho. a ɛyɛ pɛpɛɛpɛ, nkwaa a ɛwɔ ahoɔden kɛseɛ, nneɛma a atwa yɛn ho ahyia a ɛnyɛ den, wusiw biara nni hɔ a ɛyɛ welding, ɛho nhia sɛ wode nneɛma a wɔde bɛhyɛ mu ma,{3}}
Anohyeto ahorow: bere tenten a wɔde yɛ adwuma no kyinhyia, ɛnyɛ nea ɛfata ma mass production; Ɛka a ɛkɔ soro.
