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He aha ka uea Platinum-rhodium

ʻO ka uea Platinum-rhodium kahi hui binary i loaʻa i ka rhodium platinum, he hopena paʻa mau ia ma ke ana wela kiʻekiʻe. Hoʻonui ka Rhodium i ka hiki ke thermoelectric, ke kū'ē i ka oxidation a me ke kū'ē i ka acid corrosion o ka hui i ka platinum. Aia nā hui e like me PtRh5, PtRhl0, PtRhl3, PtRh30 a me PtRh40. ʻAʻole hiki ke hoʻoheheʻe ʻia nā hui me ka ʻoi aku o 20% Rh i loko o ka aqua regia. Hoʻohana nui ʻia e like me nā mea thermocouple, me PtRhl0/Pt, PtRh13/Pt, a pēlā aku, i hoʻohana ʻia e like me nā uea thermocouple i loko o nā thermocouples, e ana pololei a hoʻokele paha i nā wai, ka mahu a me nā kinoea ma ka laulā o 0-1800 ℃ i nā kaʻina hana hana like ʻole i ka mahana o ka ʻili waena a me ka paʻa.
Nā Pōmaikaʻi: Loaʻa i ka uea rhodium Platinum nā pono o ka pololei kiʻekiʻe loa, ke kūpaʻa maikaʻi loa, ka laulā o ke ana ʻana o ka mahana, ke ola lawelawe lōʻihi a me ka palena kiʻekiʻe o ke ana ʻana o ka mahana kiʻekiʻe i ka moʻo thermocouple. He kūpono ia no ka oxidizing a me nā lewa inert, a hiki ke hoʻohana ʻia i ka vacuum no ka manawa pōkole, akā ʻaʻole kūpono ia no ka hōʻemi ʻana i nā lewa a i ʻole nā ​​​​lewa e loaʻa ana nā mahu metala a i ʻole nā ​​​​mea hao ʻole. .
ʻO nā thermocouples ʻoihana e komo pū me ke kaula platinum-rhodium ʻano B, ʻano S, ʻano R, platinum-rhodium thermocouple, i ʻike ʻia hoʻi he thermocouple metala makamae wela kiʻekiʻe, he platinum-rhodium hoʻokahi platinum-rhodium (platinum-rhodium 10-platinum-rhodium) a me ka platinum-rhodium pālua (platinum-rhodium). Rhodium 30-Platinum Rhodium 6), hoʻohana ʻia lākou ma ke ʻano he mau mea ʻike ana wela, hoʻohana pinepine ʻia me nā mea hoʻoili wela, nā mea hoʻoponopono a me nā mea hōʻike e hana i kahi ʻōnaehana hoʻomalu kaʻina hana e ana pololei a hoʻomalu paha i nā mahana 0- e like me nā wai, nā mahu a me nā mea kinoea a me nā ʻili paʻa ma ka laulā o 1800°C.
ʻO nā ʻoihana i hoʻohana ʻia: kila, hana mana, ʻaila, ʻoihana kemika, fiber aniani, meaʻai, aniani, lāʻau lapaʻau, keramika, metala non-ferrous, mālama wela, aerospace, metallurgy pauka, kalapona, coking, paʻi a me ka dyeing a me nā ʻoihana ʻē aʻe.


Ka manawa hoʻouna: Nov-11-2022