Nhwehwɛmu: 0 Ɔkyerɛwfo: Bonnie tintim bere: 2024-12-20 mfiase: Beaeɛ
Dɛn ne eddy current sɔhwɛ wɔ stainless steel pipe a wɔyɛ mu?
Nea ɛbɛyɛ na wɔayɛ nsu afiri a wɔde fa nsu mu a ɛyɛ papa no, wɔyɛ sɔhwɛ ahorow de hu sintɔ ahorow na wɔhwɛ adwumayɛfo gyinapɛn ahorow so. Wɔ eyinom mu no, eddy current flaw detection test yɛ ɔkwan a wɔfa so di dwuma kɛse.
Eddy Current Testing (ECT) yɛ bi nondestructive testing (NDT) a ɛde electromagnetic induction di dwuma de hu na ɛsusu sintɔ a ɛwɔ soro ne asase ase wɔ nneɛma a ɛma nsuo fa mu no mu. Ɛyɛ nea etu mpɔn titiriw wɔ sintɔ ahorow a ɛwɔ dade a ɛnyɛ den a wɔde fa nsu mu ne nneɛma afoforo a wɔde yɛ dade mu no mu.
Wɔtaa de ECT di dwuma wɔ nnwuma ahorow mu a ɛhwehwɛ sɛ wɔhwɛ nneɛma a ɛyɛ papa so, te sɛ nsu nhama a ɛwɔ ɔhyew a wɔde sesa nneɛma mu ne nsu a wɔde yɛ nsu a ɛyɛ hyew mu. Ne pɛpɛɛpɛyɛ ne sɛnea ɛyɛ adwuma yiye no ma ɛyɛ ɔkwan a wɔpɛ a wɔfa so hwɛ hu sɛ nneɛma a ɛho hia no mudi mu kura.
ECT de electromagnetic coil di dwuma wɔ probe mu de yɛ eddy currents wɔ ade a wɔrehwɛ mu no mu. Bere a nhwehwɛmu no fa afiri no mu no, wohu nsakrae a ɛba eddy currents mu—a ɛwɔ soro anaa asase ase a ɛnkɔ so pɛpɛɛpɛ—denam nhwehwɛmu no mu anyinam ahoɔden a wɔde siw ano no so hu. Saa nsakrae ahorow yi kyerɛ sintɔ ahorow a ebetumi aba wɔ ade no mu.
ECT yɛ nea wotumi de di dwuma wɔ akwan horow so na ebetumi ahu sintɔ ahorow pii a ebetumi asɛe nsu nhama no ahobammɔ anaa adwumayɛ. Eyinom bi ne:
Internal diameter (ID) ne akyi diameter (OD) pitting : corrosive damage a ɛde ba a ɛyɛ nketewa, localized cavities.
Cracking : Mpaapaemu anaa mpaapaemu a ebetumi ama nhyehyɛe no ayɛ mmerɛw.
Wear : Nneɛma a asɛe esiane friction a ɛne support structures, pipes afoforo, anaasɛ nneɛma a ɛyɛ loose nti.
Outer diameter and inner diameter erosion : Nneɛma a ɛyera nkakrankakra esiane nsu anaa mframa a ɛsen nti.
Non-destructive : hwɛ hu sɛ ade no bɛkɔ so ayɛ nea enni dɛm bere a wɔresɔ ahwɛ no.
Versatile : Effective wɔ pipe nneɛma ahorow ne sintɔ ahorow so.
Efficient : Nea efi mu ba ntɛmntɛm na wotumi de ho to so, na ɛma ɛyɛ nea eye ma nhwehwɛmu akɛse.
Eddy Current sɔhwɛ no di dwuma titiriw wɔ dade a ɛnyɛ den a wɔde yɛ afiri a wɔde yɛ nneɛma mu denam hwɛ a wɔhwɛ ma nneɛma a wɔyɛ no yɛ papa na wotumi de ho to so no so, titiriw wɔ nnwuma a wɔde di dwuma wɔ nnwuma a ɛhwehwɛ pii mu no so.