ʻO Jiangyin Puyang Heavy ʻoihana CO., LTD

Ke hoʻopaʻa paʻa ʻia ka ʻike kīnā maoli, mea ʻike hewa, alapine, probe a pēlā aku, i ka hapanui o nā hihia e hoʻohana pololei i ke kūlana kūpono, no laila e hoʻomaʻemaʻe i kēia mau ʻano, a e hoʻāʻo e hui pū me nā ʻōlelo a ka mea hoʻohana.

ʻImi ʻia ʻo Ultrasonic o nā kala nui lāʻau nui, ka 2 ~ 3 mau ʻino kūlike liʻiliʻi i ke kumu, a ʻo ka ʻāpana he keʻokeʻo keʻokeʻo, ʻoi aku ka nui o nā māwae micro, wahi liʻiliʻi, puka, pinholes a me nā kīnā ʻē aʻe.

Jiangyin Puyang Heavy Industry CO., LTD

Hoʻopili ka hapa nui o nā kīnā i ka nalu o lalo, a ʻokoʻa ka nui o ka hopena me ke ʻano, ka nui, ke kūlana a me ke kuhikuhi o nā kīnā. ʻO ka mahele nui o nā kiko keʻokeʻo a me nā hoʻopili ʻana āpau i ka hopena o ka nalu o lalo, akā i nā kekelē ʻokoʻa. ʻO ke aniani o ke kiko keʻokeʻo he kiʻekiʻe, a kiʻekiʻe ka transmittance o ke komo ʻana. No laila, ʻo ka hoʻouluulu ʻana o ke kiko keʻokeʻo i ka nalu o lalo i ʻoi aku ma mua o ka hoʻokomo ʻana. Ma lalo o ka ʻike like, hāʻule wikiwiki nā nalu lalo o ka lae keʻokeʻo a hōʻike i nā manawa liʻiliʻi. ʻO ka nalu lalo o ka hoʻokomo e hoʻoliʻiliʻi me ka lohi no nā manawa he nui. Ma muli o ke kiko keʻokeʻo kahi kīnā, e hoʻoliʻiliʻi ia i ka ʻike o ka ʻike. E hāʻule mālie ka nalu kīnā ʻoiai e hāʻule koke ka nalu o lalo.

Jiangyin Puyang Heavy Industry CO., LTD1

Mau māwae hou i loko o ke alo o ka ea, ʻo ka ea ke ʻano o ka nui o ka acoustic impedance o ma kahi o 10 square, a me ka acoustic impedance o nā metala mea kauoha o ka nui o ma kahi o 10⁶, ʻike ʻia ka ʻokoʻa i nā ʻano acoustic o ka lewa a me nā mea hao. . ʻO ka palena ma waena o nā māwae a me nā kumu kumu he palena palupalu.

Ma ke kālailai ʻana i nā ʻano hoʻolaha o nā nalu ultrasonic i ka meakino a me nā ʻano acoustic o nā hemahema kūloko o nā kala nui ʻana, hiki ke ʻike ʻia e hiki ke hoʻokaʻawale ʻia nā palena o nā hemahema like ʻole i ʻelua mau ʻāpana.

(1) No ka mea ʻo nā inclus (slag) a me nā mea ʻē aʻe he nui nā oxides o Si, Al, Fe, a me nā mea ʻē aʻe, hiki ke ʻōlelo ʻia ʻo nā hoʻopili ʻole metallic i ke kila kahi ʻano o ke kinoea i loko o ke kila. ʻO kēia ʻano mea. i ka acoustic ʻano impedance ʻoi aku ka liʻiliʻi ma mua o ka acoustic ʻano impedance matrix, a no laila kēia ʻano kīnā a me ka palena o ka mea substrate hiki ke ʻike ʻia he "palupalu" palena, ʻo ia hoʻi, crack, flake, shrinkage cavity, air bubble, hoʻokomo ʻia o ke gula a hoʻopiha i ka palena i ka palena "palupalu", ua kī ʻia ke kanaka ʻoi ultrasonic i kēia ʻano o ke ʻano o ka hoʻololi ʻana o ka ʻaoʻao e 180 °.

Jiangyin Puyang Heavy Industry CO., LTD2

(2) No ka palena "paʻakikī" ka palena o ka hoʻohui kila kiʻekiʻe, a ʻo ka ʻāpana o ka ripple i hōʻike ʻia i ka wā e kū pono ai ka nalu ultrasonic ma kēia kikowaena ua like ia me ka nalu radiation kanaka. ʻo nā inclica metala he tungsten, molybdenum a pēlā aku. ʻO ka impedance acoustic o ka tungsten e pili ana (83.2 ~ 104.2) x 10 ⁵, molybdenum acoustic impedance ʻo 63.8 x 10 ⁵, a me nā mea āpau forging acoustic impedance (39.4 ~ 45.6) x 10 ⁵ , no laila, ʻoi aku ka nui o kēia mau mea metala kiʻekiʻe kiʻekiʻe ma mua o ka forging the acoustic impedance o nā mea substrate, hiki ke noʻonoʻo ʻia kēia ʻano kīnā a me ka palena o nā mea substrate "palena" paʻakikī. No nā māwae, nā kiko keʻokeʻo, nā puka shrinkage, nā huʻa a me nā mea hao ʻole, hiki ke helu ʻia ko lākou aniani a me ka transmittance me ka like o kā lākou impedance acoustic ʻokoʻa, kahi e hōʻike ai i ka pae amplitude attenuation pae o ka hōʻailona kani ultrasonic. ʻOkoʻa ka ʻokoʻa o ka impedance acoustic ma waena o nā non-metallic inclusions a me nā kinikini matrix, a kiʻekiʻe ka transmittance. No laila, koʻikoʻi loa ke kani o ka hoʻopili ʻana i nā mea hao ʻole, e hōʻike ana he liʻiliʻi ka amplitude nalu o lalo a ʻaʻohe nalu o lalo i ka wā e ʻike ʻia. ʻO ka nalu keʻokeʻo e aniani nei he ikaika loa ia, akā no ka mea ke ʻike ʻia i nā hui, maopopo a huʻihui ʻia ka nalu i ka ʻike. He ikaika a hoʻokahi ka nalu aniani o ka ʻāpana crack, akāka loa. Ma muli o ka nui o nā hoʻokomo a puni ka hemahema o ka lua shrinkage a me ka ʻino o ka ʻili, e loaʻa i ka nalu aniani kahi attenuation nui.


Ka manawa o ka manawa: Feb-02-2021