Waya Tungsten: A na-eji ya eme tungsten-rhodium thermocouples na isi ngwa ngwa jikọtara ọnụ, wires sapphire na-ejikọta ọnụ, na electrodes maka nnukwu lasers. A na-ejikwa ya na-emepụta filaments dị elu na tube cathodes. Na 2005, na multi-nzube tungsten-rhenium alloy waya mepụtara anyị ụlọ ọrụ e depụtara dị ka a mba isi ọhụrụ ngwaahịa site Ministry of Science and Technology.
Tungsten-rhenium thermocouple waya nwere ebe agbaze nke 3120-3360 Celsius ma enwere ike iji ya ruo 3000 Celsius. Ọ bụ thermocouple metal kacha eguzogide. Ọ nwere uru nke ezigbo njikọ linear n'etiti okpomọkụ na electromotive ike, a pụrụ ịdabere na thermal nkwụsi ike na ọnụ ala dị ala. Ejikọtara ya na ngwaọrụ ngosi. A na-atụ ọnọdụ okpomọkụ nke enwere ike ịtụ ozugbo na okpomọkụ karịrị 1600 Celsius. A na-ejikarị usoro enweghị kọntaktị eme ihe. Otú ọ dị, njehie nke usoro a dị ukwuu. Dịka ọmụmaatụ, okpomọkụ kọntaktị nwere ike tụọ ezigbo okpomọkụ. N'ebe ndị na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ, metal thermocouples dị oké ọnụ ahịa (platinum-rhodium thermocouples) dị oke ọnụ na okpomọkụ kachasị elu nwere ike ịdị n'okpuru 1800 Celsius C, ebe tungsten-rhodium thermocouples ọ bụghị nanị na oke okpomọkụ dị elu kamakwa ezigbo nkwụsi ike, ya mere, tungsten- rhodium thermocouples A na-ejikarị ya eme ihe n'ịmepụta igwe, ihe ụlọ, ikuku ikuku, ụgbọ elu na ụlọ ọrụ ike nuklia. Okpomọkụ kachasị arụ ọrụ ya nwere ike iru 2800 Celsius C, mana na ihe karịrị 2300 Celsius, a na-agbasa data ahụ. Tungsten-rhenium thermocouples nwekwara ike oxidizable nke ukwuu, n'ihi ya, a pụrụ iji ha na oghere, mbelata, ma ọ bụ ikuku ikuku na okpomọkụ sitere na 0 ruo 2300 Celsius. A pụkwara iji ndị di na nwunye Tungsten bismuth nwere tubes nchebe pụrụ iche mee ogologo oge na ikuku oxidizing na 1600 Celsius C. Ha dị ọnụ ala karịa platinum-rhodium thermocouples na enweghị ike iji ya mee ihe na ikuku carbon (dị ka ikuku nke nwere hydrocarbon). Okpomọkụ gafere 1200 Celsius C na-edobe corrosion). Tungsten ma ọ bụ tungsten ruthenium na-eme ka ọ bụrụ carbide kwụsiri ike na ikuku nwere carbon, nke mere na a na-ebelata uche ya na mgbaji na-agbaji, na ọnụnọ hydrogen, carbonization na-abawanye. Ụlọ ọrụ ahụ pụrụ iche na mmepụta nke mgbochi-oxidation tungsten-rhodium thermocouples. Ọnọdụ okpomọkụ dị mma bụ 0-1500 Celsius. Ihe owuwu ahụ bụ okpukpu abụọ ma ọ bụ oyi akwa atọ (anaghị ejikarị) tube nchebe. Igwe nchekwa dị n'èzí nke usoro tube nchebe abụọ bụ tube corundum ultra-dị ọcha. Igwe nchekwa dị n'ime bụ molybdenum silicide tube, na mkpuchi mpụta nke uwe atọ ahụ bụ silicon carbide tube recrystallized ma ọ bụ tube corundum pụrụ iche dị ọcha, etiti etiti na tube nchebe dị n'ime bụ otu ụdị tube abụọ, na ihe na-ejuputa tube bụ ihe mkpuchi okpomọkụ dị elu (nwere ike iji ogologo oge mee ihe n'okpuru 1800 Celsius C), mkpuchi oghere na njedebe oyi (enwere ike iji ihe mkpuchi mkpuchi na okpomọkụ dị n'okpuru 300 Celsius C ruo ogologo oge) iji hụ na ọ dịghị. ihe fọdụrụ oxygen na tube. Ngwaahịa a dabara adaba maka ojiji na oghere, mbelata na gas ndị ọzọ inert (0 ~ 1650 Celsius C) Ntụle okpomọkụ dị mma na ikuku oxidizing bụ 0 ruo 1500 Celsius. Oge na-agbanwe agbanwe: ≥180 s