Ma hope o ka pau ʻana o ke kaʻina hana kuʻekuʻe nut spot, pono e loiloi i ka maikaʻi a me ka pololei o nā welds. ʻO ka hoʻokō ʻana i nā hoʻokolohua post-weld e hāʻawi i nā ʻike koʻikoʻi e pili ana i nā waiwai mechanical o ka weld, ka ikaika, a me ka pololei o ke kūkulu ʻana. Ke ʻimi nei kēia ʻatikala i nā ʻenehana hoʻokolohua like ʻole i hiki ke hana ʻia no ka loiloi a kālele ʻana i nā welds kiko nut.
- Tensile Testing: Hoʻohana maʻamau ʻia ka hoʻāʻo ʻana e loiloi i nā waiwai mechanical a me ka ikaika o nā hui welded. Ma kēia hoʻokolohua, ua hoʻokau ʻia kahi ʻano o nā laʻana welded i nā ikaika tensile a hiki i ka hāʻule. Hāʻawi nā hopena i ka ʻike e pili ana i ka ikaika tensile hope loa, ka ikaika e hāʻawi ai, elongation, a me nā ʻano haʻihaʻi o nā welds, e kōkua ana i ka loiloi i kā lākou hana holoʻokoʻa a kūpono no ka noi i manaʻo ʻia.
- Ho'āʻo Shear: Hoʻolālā pono ʻia ka hoʻāʻo ʻana e loiloi i ka ikaika shear a me ke kūpaʻa o nā welds kiko. ʻO kēia hoʻāʻo e pili ana i ka hoʻokomo ʻana i nā laʻana welded i ka ikaika shearing a hiki i ka hiki ʻole. ʻO ka ʻikepili i loaʻa, ʻo ia hoʻi ka ukana shear, displacement, a me ke ʻano hāʻule ʻole, hiki ke hoʻoholo i ka ikaika shear o ka weld a me kona hiki ke kū i nā ukana i hoʻopili ʻia.
- ʻIkepili Microstructural: Hiki i ka loiloi microstructural ke nānā i ke ʻano o loko o ka weld a hāʻawi i nā ʻike i kona ʻano palaoa, wahi i hoʻopili ʻia i ka wela, a me nā hemahema a i ʻole ka pau ʻole. Hiki ke hoʻohana ʻia nā ʻenehana e like me ka metallography, microscopy, a me ka scanning electron microscopy (SEM) e nānā a nānā i ka microstructure o ka weld, e kōkua ana i ka loiloi ʻana i kona maikaʻi a me ka ʻike ʻana i nā pilikia e pili ana i kāna hana.
- Ho'āʻo Paʻakikī: Hana ʻia ka hoʻāʻo paʻakikī no ke ana ʻana i ka puʻunaue paʻakikī ma waena o ka weld zone. Kōkua kēia ho'āʻo i ka loiloi ʻana i ka paʻa o ka weld a nānā i ke alo o nā ʻāpana palupalu a paʻakikī paha e pili ana i kona ikaika a paʻa. Hiki ke hoʻohana ʻia nā ʻenehana e like me Vickers a i ʻole Rockwell hardness testing no ka helu ʻana i nā waiwai paʻakikī o ka weld a ʻike i nā ʻokoʻa i loko o ka hui welded.
- Non-Destructive Testing (NDT): Hiki ke hoʻohana ʻia nā ʻenehana hoʻāʻo non-destructive, e like me ka ultrasonic testing, eddy current testing, a i ʻole radiographic testing, e nānā i ka maikaʻi o loko o nā welds me ka ʻole o ka pōʻino. Hiki i kēia mau ala ke ʻike i nā hemahema, e like me nā māwae, voids, a i ʻole inclusions, e hōʻoia ana i nā welds e hoʻokō i nā kūlana i koi ʻia a me nā kikoʻī.
He mea koʻikoʻi ka hoʻokō ʻana i nā hoʻokolohua post-weld no ka loiloi ʻana i ka maikaʻi, ka ikaika, a me ka paʻa o ke kūkulu ʻana o nā welds kiko nut. ʻO ka hoʻāʻo ʻana i ka tensile, shear testing, microstructural analysis, hardness testing, a me ka hoʻāʻo ʻole luku ʻia nā ʻenehana waiwai e hāʻawi i ka ʻike koʻikoʻi e pili ana i nā waiwai mechanical o ka welds, ka hale o loko, a me nā hemahema. Ma ka hana ʻana i kēia mau hoʻokolohua, hiki i nā mea ʻenekinia a me nā welders ke hōʻoia i nā welds e hoʻokō i nā kūlana i makemake ʻia a me nā koi, a laila e hōʻoiaʻiʻo ai i ko lākou hilinaʻi a me ka hana i nā noi honua maoli.
Ka manawa hoʻouna: Iune-15-2023
