Views: 0 Author: Site Editor Publish Time: 2023-07-21 Mfiase: Beaeɛ
Sɛnea ɛbɛyɛ a nsu afiri a wɔyɛ no bɛyɛ adwumayɛfo de no, yɛtaa yɛ sɔhwɛ ahorow bi, enti dɛn ne eddy current flaw detection test?
Eddy-current testing (a wɔtaa hu no nso sɛ eddy current sɔhwɛ ne ECT) yɛ electromagnetic sɔhwɛ akwan pii a wɔde di dwuma wɔ nondestructive testing (NDT) mu no mu biako a wɔde electromagnetic induction di dwuma de hu na wɔkyerɛ surface ne sub-surface flaws wɔ conductive nneɛma mu.
Nneɛma a wɔtaa de di dwuma wɔ eddy current detection mu ne pipeline checks wɔ ɔhyew sesa ne condensers mu.
ECT de electromagnetic induction di dwuma de hu sintɔ ahorow a ɛwɔ nsu afiri no mu. Fa probe no hyɛ tube no mu na fa tube no mu. Eddy currents no nam electromagnetic coil a ɛwɔ probe no mu no so na ɛba na wɔhwɛ so bere koro mu denam probe electrical impedance a wɔsusuw no so ..
Eddy current tube detection yɛ ɔkwan a ɛnsɛe a wɔfa so hwehwɛ pipe sintɔ a ɛyɛ adwuma yiye ma pipe nneɛma ahorow pii na ebetumi ahu sintɔ ahorow a ebetumi de ɔhaw kɛse aba ɔhyew sesa ne condensers so.
Wobetumi de Eddy Current Detection kwan ahu sintɔ ahorow pii wɔ paipu no mu:
1.Mfinimfini ntwemu (ID) ne akyi ntwemu (OD) pitting .
2.Cracking .
3.Wear (fi structures a ɛboa, paipu afoforo ne afã horow a ɛyɛ loose) .
4. Akyi ntwemu ne ne mu ntwemu a ɛreworo so .