Loaʻa ka ʻili i uhi ʻia ma ka uhi ʻana i kahi ʻāpana lahilahi o ka metala refractory me ke kūpaʻa maikaʻi ʻana ma luna o ka ʻili o ke kila kiʻekiʻe (HSS) substrate me ka ikaika maikaʻi a me ka paʻakikī ma ke ʻano deposition mahu. Ma ke ʻano he pale wela a me ka pale kemika, hoʻemi ka uhi ʻana i ka diffusion thermal a me ka hopena kemika ma waena o ka ʻike maka a me ka mea hana. Loaʻa iā ia ka paʻakikī o ka ʻili kiʻekiʻe, ke kūpaʻa aahu maikaʻi, nā waiwai kemika paʻa, ka pale wela a me ke kūpaʻa oxidation, ka liʻiliʻi friction coefficient a me ka thermal conductivity. ʻO nā hiʻohiʻona haʻahaʻa haʻahaʻa, hiki ke hoʻonui ʻia ke ola o ka ʻili maka i nā manawa he nui ke hoʻohālikelike ʻia me ka maka ʻike ʻole i ka wā e ʻoki ai. No laila, ua lilo ka ʻili i uhi ʻia i hōʻailona o nā ʻili ʻoki ʻoki hou.
Kiʻekiʻe kiʻekiʻe-wikiwiki ike maka maka, ka waihoʻoluʻu keʻokeʻo kala kila, he ike maka me ka uhi ole lapaau ana, oki maʻamau non-ferrous metala, e like me ke keleawe, aluminika a pela aku.
Nitriding coating (ʻeleʻele) VAPO nitriding coating kiʻekiʻe wela oxidation wela lapaʻau, ka waihoʻoluʻuʻeleʻeleʻeleʻele, ma hope o ka mea kemika Fe3O4 i hoʻokau 'ia i ka pololei kūikawā wela lapaʻau, he oxide papa (Fe3O4) i hana ma luna o ka ili, a me ka mānoanoa o ka. ʻO ka papa oxide ma kahi o 5-10 Micron, ʻoi aku ka paʻakikī o ka ʻili ma kahi o 800-900HV, friction coefficient: 0.65, ʻo kēia ʻano ʻike maka he ʻano maikaʻi ka ʻili, e kōkua ana i ka hoʻonui ʻana i ka hiki ke lubricating ponoʻī o ka maka, a me ka hanana. hiki ke pale ʻia ka ʻili ʻili i kekahi ʻano. No ka ʻoki ʻana i nā mea maʻamau. Ma muli o kāna ʻenehana hoʻoponopono makua a me ka hana kumukūʻai kiʻekiʻe, he huahana ia i hoʻohana nui ʻia ma ka mākeke.
ʻO ka uhi ʻana o ka nitride Titanium (gula) TIN Ma hope o ka mālama ʻana i ka titanium nitrogen PVD, ʻo ka mānoanoa o ka uhi ʻike maka ma kahi o 2-4 microns, ʻo kona paʻakikī ʻili ma kahi o 2200-2400HV, friction coefficient: 0.55, ʻoki ʻana i ka mahana: 520°C, ʻike kēia. hiki i ka ʻike maka ke hoʻonui nui i ka manawa lawelawe o ka ʻili. I mea e hoʻohana piha ai i kāna mau hiʻohiʻona, pono e hoʻonui ʻia ka wikiwiki o ka ʻoki e hōʻike i kona waiwai. ʻO ka hana nui o kēia uhi ʻana ʻo ia ka hoʻoikaika ʻana i ka ʻili i ka ʻoki ʻana. No ka ʻoki ʻana i nā mea maʻamau, hiki i kāna hana maikaʻi ke hoʻonui i ka wikiwiki o ka ʻoki a hoʻemi i ka poho.
ʻO Chromium Nitride Coating (Super Coating no ka pōkole) CrN ʻO kēia uhi ke kū kūʻē i ka adhesion, corrosion a me ka oxidation. He 2-4 microns ka mānoanoa o ka uhi ʻana o ka maka, ʻo ka paʻakikī o ka ʻili: 1800HV, ʻoi aku ka haʻahaʻa o ka ʻoki ʻana ma mua o 700 ° C, a ʻo ke kala he metala hina. Manaʻo nui ʻia no ka ʻoki ʻana i ke keleawe a me ka titanium, ʻaʻohe hopena o ke kaʻina hana i ke kaiapuni. He kūpono no ka ʻoki ʻana i ke keleawe, aluminika a me nā mea ʻē aʻe, me ka nui o ka uhi uhi kiʻekiʻe a me ka paʻakikī o ka ʻili, a me ke kumu friction haʻahaʻa loa ma waena o nā uhi āpau.
ʻO ka uhi ʻana o ka nitride aluminika Titanium (ka waihoʻoluʻu) TIALN He mea hoʻopiʻi anti-ʻaʻahu hou kēia. Ua loaʻa i ka ʻili ʻili i mālama ʻia me ka uhi ʻana o PVD multi-layer i kahi koena friction haʻahaʻa loa. ʻO kona paʻakikī ili ma kahi o 3000-3300HV. friction coefficient: 0.35, oxidation wela: 450°C, hiki i kēia ʻano ʻili maka hiki ke hana i ka ʻokiʻoki ʻana i ka maʻalahi, a ʻoi aku ka pale ʻana o ka ʻili. Manaʻo ʻia e ʻoki i nā mea me ka wikiwiki ʻoki kiʻekiʻe a me ka wikiwiki hānai a ʻoi aku ka ikaika o ka ʻoki ʻana ma mua o 800 N/mm2, e like me Stainless steel, etc., i hoʻohana ʻia ma lalo o nā kūlana hana koʻikoʻi.
Aluminum titanium nitride coating (i kapa ʻia ʻo super A coating) ALTIN ʻO kēia ka mea hou multi-layer composite anti-wear coating, ʻo ka mānoanoa o kēia uhi ʻana he 2-4 microns, ka paʻakikī o ka ʻili: 3500HV, ka helu friction: 0.4, ka ʻoki ʻana i ka mahana ma lalo o 900 ° C, ua ʻōlelo ʻia e hoʻohana i nā mea me ka wikiwiki ʻoki kiʻekiʻe a me ka wikiwiki o ka hānai ʻana a me ka ʻoki ʻana i ka ikaika tensile ma mua o 800 N/mm2 (e like me ke kila kila), a hoʻohana ma lalo o nā kūlana hana koʻikoʻi e like me ka ʻoki maloʻo. Ma muli o ka paʻakikī a me ke kūpaʻa kino maikaʻi o ka alumini titanium nitride coating iā ia iho, ʻoi aku ka paʻa ʻana o ka ʻili a kūpono no ka ʻoki ʻana i nā mea kila. Ma muli o kona haʻahaʻa haʻahaʻa haʻahaʻa a me ka haʻahaʻa haʻahaʻa haʻahaʻa, kūpono ia no ka ʻoki maloʻo i ka wikiwiki kiʻekiʻe a me ka wela kiʻekiʻe.
ʻO Titanium Carbonitride Coating (Bronze) TICN He uhi kēia i kūpono no nā koi anti-ʻaʻahu koʻikoʻi. Manaʻo ʻia no ka ʻoki ʻana i nā mea me ka ikaika tensile ma luna o 800 N/mm2. ʻO ka mānoanoa o ka uhi ʻana he 3 microns, ʻo ka coefficient o friction: 0.45, ka mahana o ka oxidation: 875 ° C, a ʻo ka paʻakikī o ka ʻili he 3300-3500HV. ʻAʻole kūpono wale ia no ka ʻoki ʻana i ke kila me ka ikaika kiʻekiʻe e like me ke kila kila, akā hiki ke hoʻohana ʻia no ka ʻoki ʻana i nā mea palupalu e like me ka hao hao, ke alumini alumini, keleawe a me ke keleawe, a me nā mea ʻē aʻe. kūpono loa ia no ka ʻoki ʻana i ka wikiwiki kiʻekiʻe a me ke kiʻekiʻe wela o ka ʻoki maloʻo.
