He aha ka pā kila!He aha ke kapa kila pale ʻaʻahu?

ʻO ka pā kila he kila pālahalaha i hoʻoleiʻia me ke kila hoʻoheheʻeʻia a paʻiʻia ma hope o ka hoʻomahaʻana.He pālahalaha, ʻehā a hiki ke ʻōwili pololei ʻia a ʻoki ʻia paha mai nā ʻāpana kila ākea.Hoʻokaʻawale ʻia ka pā kila e like me ka mānoanoa, ʻoi aku ka liʻiliʻi o ka pā kila lahilahi ma mua o 4 mm (ʻo ka thinnest ʻo 0.2 mm), ʻo ka pā kila ma waena o 4-60 mm, a ʻo ka pā kila keu 60-115. mm.Hoʻokaʻawaleʻia ka pā kila i ka'ōwili wela a me ke anuanu e ka'ōwili.ʻO 500 ~ 1500 mm ka laulā o ka pā lahilahi;ʻO ka laulā o ka pepa mānoanoa he 600 ~ 3000 mm.Hoʻokaʻawaleʻia nā pepa e like me nāʻano kila, e like me ke kila maʻamau, ke kila kiʻekiʻe, ke kila kila, ke kila puna, ke kila kila, ke kila mea hana, ke kila wela, ke kila kila, ke kila silika a me kaʻoihana hao maʻemaʻe, etc.;e like me ka hoʻohana 'oihana, aia i ka aila pahu pahu, Enamel pā, pōkā pā, etc.;E like me ka uhi ʻana o ka ʻili, aia nā pepa galvanized, ka pā i hoʻopaʻa ʻia i ka tin-plated, ka pā i hoʻopaʻa ʻia i ke alakaʻi, ka pā kila composite, a me nā mea ʻē aʻe. ʻano ʻaʻahu.ʻO ka pā kila i hoʻohana maʻamau ʻia he huahana pā i hana ʻia i kahi mānoanoa o kahi papa paʻa paʻa me ka paʻakikī kiʻekiʻe a me ke kūpaʻa maikaʻi loa ma luna o ka ʻili o ke kila haʻahaʻa haʻahaʻa a i ʻole ke kila haʻahaʻa me ka paʻakikī a me ka plasticity. ma ke ʻano hana i luna.Eia kekahi, aia nā pā kila a me nā pā kila i hoʻopaʻa ʻia.
ʻO nā hiʻohiʻona o ka pā kila pale lole: ʻO ka pā kila hiki ke hoʻopaʻa ʻia me kahi pā kila haʻahaʻa a me kahi ʻāpana pale ʻaʻahu.ʻO ka papa hana paʻa paʻa i ka alloy he 1/3 ~ 1/2 o ka nui o ka mānoanoa.I ka wā e hana ai, hāʻawi ka matrix i nā waiwai piha e like me ka ikaika, ka paʻakikī a me ka plasticity e kū'ē i nā ikaika o waho, a ʻo ka ʻāpana pale pale pale e hāʻawi i nā waiwai pale e kūpono i nā koi o nā kūlana hana.Aia kahi paʻa metala ma waena o ka ʻaʻahu ʻaʻahu pale kila a me ka substrate.Ma o nā mea hana kūikawā a me ke kaʻina hana hoʻoheheʻe ʻakomi, ua hoʻopaʻa like ʻia ka uea kuʻi ʻana i pale pono ʻia i ka substrate, a ʻo ka helu o nā papa hana hoʻokahi a ʻelua a i ʻole nā ​​papa he nui.I ka wā o ke kaʻina hana, ma muli o ke ʻano ʻokoʻa o ka hoʻohaʻahaʻa ʻana o ka huila, ʻike ʻia nā māwae transverse like ʻole.He hiʻohiʻona kūʻokoʻa ia o ka pā kila kila.Hoʻohui nui ʻia ka ʻāpana pale ʻaʻahu me ka chromium alloy, a ua hoʻohui pū ʻia nā ʻāpana ʻē aʻe e like me manganese, molybdenum, niobium, a me nickel.Hoʻokaʻawale ʻia nā carbide i loko o ke ʻano metallographic i nā fibers, a ʻo ke kuhikuhi ʻana o ka fiber e kū pololei i ka ʻili.Hiki i ka microhardness o ka carbide ke hiki i ka HV1700-2000 a i ʻole, a hiki i ka paʻakikī o ka ʻili ke hiki i ka HRC58-62.He kūpaʻa ikaika ka Alloy carbide i ka wela kiʻekiʻe, mālama i ka paʻakikī kiʻekiʻe, a he kūpaʻa maikaʻi hoʻi ka oxidation, a hiki ke hoʻohana maʻamau i loko o 500 ℃.ʻO ka papa hoʻopaʻa ʻaʻahu he ala liʻiliʻi (2.5-3.5mm), kahi ākea ākea (8-12mm), kahi pihi (S, W), etc.;ʻO ka mea nui i hoʻohui ʻia me nā chromium alloys, a hoʻohui pū ʻia ka manganese, molybdenum, niobium, nickel, boron.a me nā mea hoʻohui ʻē aʻe, ua puʻunaue ʻia nā carbide i loko o ke ʻano metallographic i nā fibers, a ʻo ke kuhikuhi ʻana o ka fiber e kū pololei i ka ʻili.ʻO ka carbide maʻiʻo he 40-60%, hiki i ka microhardness ke hiki i HV1700 a ʻoi aku paha, a hiki i ka paʻakikī o ka ʻili ke hiki i ka HRC58-62.Hoʻokaʻawale nui ʻia ka pā kila pale lole i ʻekolu mau ʻano: ke ʻano maʻamau, ke ʻano hopena a me ke ʻano pale wela kiʻekiʻe;hiki i ka nui o ka mānoanoa o ke kapa kila hiki ke hiki i ka 5.5 (2.5 + 3) mm a hiki i ka mānoanoa kiʻekiʻe ke hiki i 30 (15 + 15) mm;paʻa kila pale ʻaʻahu Hiki iā ia ke ʻōwili i nā paipu pale ʻaʻahu me ka liʻiliʻi o ke anawaena o DN200, a hiki ke hana ʻia i nā kuʻekuʻe ʻaʻahu, nā lole pale pale, a me nā paipu hoʻemi pale.ʻO nā ʻāpana ʻenehana o ka pā kila pale: ʻoʻoleʻa, ka mānoanoa o ka papa lole HRC ≤ 4mm: HRC54-58;ka mānoanoa o ka papa lole pale lole> 4mm: HRC56-62 Nā hiʻohiʻona hiʻohiʻona Palahalaha: 5mm/M


Ka manawa hoʻouna: Mar-29-2022