kiʻekiʻe wela tungsten alloy melting pot crucible no ka hale hana
ʻO ka wela kiʻekiʻe loa o kahi tungsten crucible e pili ana i ka tungsten alloy material a me ka hana hana. Ma ka ʻōlelo maʻamau, hiki i nā crucibles tungsten ke kūpaʻa i nā mahana ma mua o 3000 ° C (5432 ° F), kahi e kūpono ai ia no ka hana ʻana i nā mea e koi ai i nā wela kiʻekiʻe loa, e like me ka hoʻoheheʻe ʻana a me ka hoʻolei ʻana i nā metala refractory, keramika, a me nā mea wela kiʻekiʻe. mea waiwai. Eia nō naʻe, pono e noʻonoʻo ʻia ka haku mele ʻana a me ka pili pono ʻana me ka mea i hana ʻia e hōʻoia i ka hana crucible ma luna o ka pae wela i manaʻo ʻia.
ʻAe, hiki ke hoʻohana ʻia nā crucibles tungsten me nā metala ʻē aʻe, akā he mea nui e noʻonoʻo i ka hoʻohālikelike ʻana o ka mea crucible me ka metala kikoʻī e hana ʻia. Ua koho pinepine ʻia nā crucibles Tungsten no ko lākou kūʻē ʻana i nā wela kiʻekiʻe a me ka corrosion kemika, e kūpono ai lākou no nā ʻano hoʻoheheʻe metala a me nā noi hana. Eia nō naʻe, hiki i kekahi mau metala a i ʻole nā mea hoʻoheheʻe metala ke loaʻa i nā pilina kikoʻī me ka mea crucible, e like me ka hopena a i ʻole ka hoʻohaumia ʻana, hiki ke hoʻopilikia i ka maikaʻi o ka mea i hana ʻia. No laila, pono e loiloi ʻia nā mea crucible no ka hoʻohālikelike ʻana me nā metala kikoʻī a me nā alloys i hoʻohana ʻia e hōʻoia i ka pono o ka hoʻoheheʻe ʻana a me ka hana ʻana. Eia kekahi, he mea nui ka hoʻomaʻemaʻe ʻana a me ka mālama pono ʻana i nā crucibles ma waena o nā holo metala ʻē aʻe e pale aku i ka hoʻohaumia ʻana a hōʻoia i ka hana mau.
Loaʻa nā mea hoʻoheheʻe kiʻekiʻe:
1. Tungsten-based alloy: ʻO Tungsten kekahi o nā helu heheʻe kiʻekiʻe loa ma waena o nā metala a pau, a ʻo kona mau mea e like me tungsten-rhenium, tungsten-molybdenum, a me nā mea ʻē aʻe e hōʻike pū ana i nā helu heheʻe kiʻekiʻe.
2. Molybdenum-based alloys: Molybdenum a me kona mau ala, e like me ka molybdenum titanium zirconium (TZM) a me ka molybdenum lanthanum oxide (ML), loaʻa nā helu hoʻoheheʻe kiʻekiʻe a hoʻohana ʻia i nā noi wela kiʻekiʻe.
3. ʻO nā mea hoʻoheheʻe metala: ʻO nā mea i loaʻa i nā metala refractory e like me ka niobium, tantalum, a me ka rhenium ua ʻike ʻia no ko lākou mau wahi hoʻoheheʻe kiʻekiʻe a hoʻohana ʻia i nā wahi wela kiʻekiʻe.
Hoʻohana pinepine ʻia kēia mau ʻāpana i ka aerospace, pale a me nā noi ʻoihana wela kiʻekiʻe e koi ana i nā mea me ka pale wela maikaʻi loa.
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