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I nā ʻoihana kahi e kū ai nā ʻāpana metala i ka friction, ka hopena, a me ka abrasion i kēlā me kēia lā, lilo ke kūpaʻa ʻaʻahu i mea koʻikoʻi. Inā paha he mau kia e wili ana ma lalo o ka ukana kaumaha a i ʻole nā ʻau e kū nei i ka neʻe pinepine ʻana, pono e hana ʻia nā ʻāpana mai nā mea paʻa e mau ai. ʻO kekahi o nā ste hilinaʻi loa ...E heluhelu hou aku»
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I ke ʻenekinia a me ka hana ʻana, he mea hoʻoholo ka ikaika. Inā he crankshaft i loko o kahi mīkini kaʻa a i ʻole he pine ukana kiʻekiʻe i nā lako hana, hoʻoholo ka ikaika tensile i ka nui o ka ukana hiki i kahi mea ke lawelawe ma mua o ka haki ʻana. Ma waena o nā kila alloy he nui i loaʻa, 4140 alloy...E heluhelu hou aku»
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I ke ao o ka ʻenekinia kikoʻī, ʻo ke koho ʻana o nā mea hana ka mea nui loa. Inā paha no nā ʻāpana aerospace, nā mea hana kaʻa, a i ʻole nā ʻāpana mea hana kiʻekiʻe, ʻo ka hilinaʻi o nā mea hana ke kumu o ka hana huahana. Ma waena o nā kila alloy like ʻole, ua puka mai ke kila 4140 ma ke ʻano he hoʻokahi o nā mea hilinaʻi loa...E heluhelu hou aku»
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He kila kila kaulana ka kila 4140 i ʻike ʻia no kona ikaika, paʻakikī, a me ka versatility. No ka ʻohana o nā kila chromium-molybdenum ia, e hāʻawi ana i kahi hui kūikawā o nā waiwai mechanical e lilo ia i koho makemake ʻia no nā noi ʻoihana. ʻO nā ʻenekinia, nā mea hana, a me nā mea hana...E heluhelu hou aku»
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I ka wā e koʻikoʻi ai ka ikaika, ka paʻakikī, a me ka versatility, ʻo ke kila 4140 ka mea hoʻohuihui i koho ʻia ma nā ʻoihana. Ma ke ʻano he kila chromium-molybdenum alloy, hāʻawi ʻo 4140 i kahi kaulike ikaika o ka ikaika tensile kiʻekiʻe, ke kūpaʻa luhi, a me ka mīkini maikaʻi loa. ʻAʻole ia he mea kupanaha e pāʻani ana kēia mea hoʻohuihui...E heluhelu hou aku»
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ʻO nā metala ke kumu o ka hana hou a ke kanaka, mai nā pahi kaua kahiko a hiki i nā hale kiaʻi hou. Akā i ka wā e pili ana i ka ikaika, ʻaʻole like nā metala āpau. Hāpai kēia i kahi nīnau hoihoi no nā ʻenekinia, nā mea hoʻolālā, a me nā kānaka ʻepekema mea: he aha ka mea e hana ai i ka metala ikaika loa? He ikaika tensile anei...E heluhelu hou aku»
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He nui nā papa o nā kila kila, i hana ʻia kēlā me kēia e hāʻawi i nā hiʻohiʻona hana kikoʻī. I waena o lākou, kū ka kila kila 440C ma ke ʻano he kila kila martensitic kiʻekiʻe-kalapona, kiʻekiʻe-chromium i ʻike ʻia no kona paʻakikī maikaʻi loa, ke kūpaʻa ʻana i ka ʻaʻahu, a me ke kūpaʻa ʻana i ka pala. Hoʻohana nui ʻia ia i loko o h...E heluhelu hou aku»
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Ua kaulana ke kila kila no kona kūpaʻa i ka pala, ka lōʻihi, a me ka nani. Eia naʻe, ʻaʻole hāʻawi nā papa kila kila āpau i ka pae like o ka pale ʻana i ka popo. ʻO kekahi o nā nīnau i nīnau pinepine ʻia i waena o nā ʻenekinia, nā mea kālai hale, a me nā mea hana: Ke hoʻopaʻa nei anei ka moʻo 400 i ka pala...E heluhelu hou aku»
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ʻO ke kila kila 316L kekahi o nā mea i hoʻohana nui ʻia a maʻalahi hoʻi i nā ʻoihana e koi ana i ke kūpaʻa kiʻekiʻe i ka pala, ka lōʻihi, a me nā waiwai maʻemaʻe. Ma ke ʻano he ʻano haʻahaʻa kalapona o ke kila kila 316, makemake nui ʻia ʻo 316L i nā noi mai ka hana kemika a me ke kai ...E heluhelu hou aku»
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ʻO ke kila kila H13 kekahi o nā kila kila kaulana loa i hoʻohana ʻia i nā ʻano hana like ʻole e koi ana i ka ikaika kiʻekiʻe, ka paʻakikī, a me ke kūʻē ʻana i ka luhi wela. Hoʻohana nui ʻia ia i nā hana e like me nā ʻōmole hoʻoheheʻe make, nā make forging, a me nā wahi ʻē aʻe me ke kaumaha kiʻekiʻe, ka mahana kiʻekiʻe. Ma muli o kona ...E heluhelu hou aku»
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Ua kū mai nā kila kila austenitic super ma ke ʻano he hoʻokahi o nā mea holomua a hilinaʻi hoʻi i ke kahua o ka metallurgy. ʻIke ʻia no ko lākou kūpaʻa ʻana i ka pala, ka ikaika kiʻekiʻe, a me ka hiki ke kū i nā mahana koʻikoʻi, ua lilo kēia mau mea hoʻohui i mea nui i nā ʻoihana e like me ch...E heluhelu hou aku»
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He mea nui nā metala i nā ʻoihana like ʻole, mai ke kūkulu ʻana a me ka aerospace a hiki i ke kaʻa a me ka hana ʻana. ʻOiai ko lākou kūpaʻa a me ka ikaika, hiki i nā metala ke "haʻihaʻi" koke a hāʻule paha, e alakaʻi ana i nā pōʻino kumukūʻai, nā ulia pōpilikia, a me nā hopohopo palekana. Ke hoʻomaopopo nei i ke kumu e haki ai nā metala i...E heluhelu hou aku»
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He mea kūikawā loa ke kila kila i uhi ʻia i loaʻa ka nānā nui ʻia ma nā ʻano ʻoihana like ʻole ma muli o kāna hana kūikawā a me nā ʻano kūikawā. Hoʻohui kēia mea i nā pono o ke kila kila me nā pono o kekahi metala ʻē aʻe, e hopena ana i kahi pro...E heluhelu hou aku»
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ʻO ke kila kila 17-4, i kapa pinepine ʻia e kāna mau kikoʻī ʻo AMS 5643, AISI 630, a me UNS S17400, ʻo ia kekahi o nā kila paʻakikī i hoʻohana nui ʻia. ʻIke ʻia no kona ikaika kūikawā, ke kūpaʻa kiʻekiʻe i ka pala, a me ka maʻalahi o ka mīkini ʻana, he mea hana maʻalahi ia e kūpono no nā ʻano like ʻole...E heluhelu hou aku»
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I ke koho ʻana i ke kila kila kūpono no nā noi mechanical, aerospace, a i ʻole nā hana ʻoihana, ʻekolu mau inoa e hele pinepine mai i mua - 4140, 4130, a me 4340. Ua kaulana kēia mau kila chromium-molybdenum haʻahaʻa no ko lākou ikaika, paʻakikī, a me ka machinability. Akā pehea ʻoe e ʻike ai ...E heluhelu hou aku»