Nā pilikia maʻamau a me ka nānā ʻana i ke kumu o ka kaomi ʻana i ka Carbide Cemented

ʻO ka carbide i hoʻopaʻa ʻia he mea hoʻoheheʻe ʻia i hana ʻia me ka paʻa paʻa o ka metala refractory a me ka hoʻopaʻa ʻana i ka metala ma o ka pauka metallurgy kaʻina.Loaʻa iā ia nā waiwai o ka paʻakikī kiʻekiʻe, ke kūpaʻa ʻana, ka ikaika a me ka paʻakikī.Ma muli o kona mau waiwai kūikawā, hoʻohana pinepineʻia e hana i nā mea hana wili pōhaku, nā mea hana mining, nā mea hana wili, nā mea ana a me nā mea'ē aʻe.Hoʻohana nui ʻia ia i ka ʻaila a me ke kinoea maoli, ka ʻoihana kemika, nā mīkini hana, ka hoʻokele wai a me nā māla ʻē aʻe.ʻO ka carbide sima he mea i kaomi ʻia e ka pauka metallurgy.I kēia lā, e hoʻolauna aku ʻo Chuangrui Xiaobian iā ʻoe i kekahi mau pilikia nui a mākou e hālāwai pinepine ai i ke kaʻina hana, a hoʻopaʻa pōkole i nā kumu.

1. ʻO ka ʻōpala kaomi maʻamau i loko o ke kaʻina hana kaomi carbide cemented he delamination

Ke ʻike ʻia nei ma ka ʻaoʻao o ka poloka kaomi, ma kekahi kihi i ka ʻili o ke kaomi, e hana ana i kahi interface maʻemaʻe i kapa ʻia ʻo delamination.Hoʻomaka ka hapa nui o ka waiho ʻana ma nā kihi a hoʻonui i ka compact.ʻO ke kumu o ka delamination o ka compact ʻo ke koʻikoʻi kūloko elastic a i ʻole ka haʻalulu elastic i ka compact.No ka laʻana, ʻoi aku ka haʻahaʻa o ka cobalt content o ka hui ʻana, kiʻekiʻe ka paʻakikī o ka carbide, ʻoi aku ka maikaʻi o ka pauka a i ʻole ka ʻāpana, ʻoi aku ka liʻiliʻi o ka mea hoʻoheheʻe a ʻaʻole like ka hāʻawi ʻana, ua pulu a maloʻo paha ka hui. ʻoi aku ka nui o ke kaomi kaomi, ʻoi aku ka nui o ke kaumaha o ka ʻāpana, a ʻoi aku ka kiʻekiʻe o ke kaomi.He paʻakikī ke ʻano o ka poloka, ʻilihune loa ka hoʻopau ʻana o ka mold, a ʻaʻohe ʻano like ʻole ka ʻili o ka papaʻaina, hiki ke hoʻopau ʻia.

No laila, ʻo ka hoʻomaikaʻi ʻana i ka ikaika o ka compact a me ka hōʻemi ʻana i ke koʻikoʻi o loko a me ka elastic back whistle o ka compact kahi ala kūpono e hoʻoponopono ai i ka delamination.

2. 'O ka hanana o ka uncompressed (hō'ike particles) e hiki mai i loko o ke kaomi kaʻina o ka cemented carbide.

Ma muli o ka nui o ka nui o nā pores o ka compact, ʻaʻole hiki ke nalo loa i ka wā o ke kaʻina sintering, ka hopena o nā pores kūikawā i koe i loko o ke kino sintered.He paʻakikī loa nā pellets, he ʻeleʻele nā ​​pellets, a he nui loa ka mea wehe;ʻAʻole like ka māhele ʻana o nā pellets i loko o ka lua, a haʻahaʻa ke kaumaha o ka ʻāpana.hiki ke hoʻokō ʻole ʻia.