Ko Nickel ko ha ukamea kuo ʻi ai ʻi ha ngaahi taʻu ʻe lauiafe he taimí ni .. Naʻe fakaʻaongaʻi ʻa Nickel ke ngaohi ʻaki ʻa e ngaahi koini ʻo e hele palasá mo e ngaahi meʻa kehe ʻi Siaina ʻo mamaʻo atu ʻo hangē ko e . 1046 BC. Ko e ngaahi alloys Nickel foki ko e taha ia 'o e ngaahi alloys manakoa taha he 'aho ni .. ‘Oku nau ngāue‘aki ke ngaohi ‘a e ngaahi koloa ‘oku ngāue‘aki ‘i he ngaahi ngāue‘anga kehekehe lahi .,… Lau ke lahi ange »
Kuo meimei ke fakahoko maʻu pē ʻe he ngaahi ukamea fakangāué ha fatongia mahuʻinga ʻi he moʻui lelei ʻa e ʻikonomika fakamāmaní .. Ka neongo iá, 'i he ngaahi 'aho ni 'oku 'asi mai 'oku 'alu ke fakahoko 'a e ngaahi ukamea fakangaue'anga 'o toe lahi ange 'i ha fatongia 'i he angamaheni neongo 'a e ngaahi tau fefakatau'aki fakamamani lahi 'oku 'i he tu'unga 'o e motuhi .. In the coming… Lau ke lahi ange »
Kuo ngāueʻaki ʻa Kovar ʻi ha ngaahi hongofuluʻi taʻu lahi .. Neongo ‘a hono hisitōlia fuoloa ., ko e kakai tokolahi ‘i tu‘a mei he ngaahi mala‘e ‘enisiniá mahalo na‘e ‘ikai te nau teitei fanongo ki he alloy mahu‘inga ko ení .. Ko e vakai fakalukufua eni ki he kova .. Ko e hingoa Kovar 'oku mo'oni 'a e fakatau 'e ha kautaha Delaware ., CRS Holdings, Inc. Naʻe fuofua pateni ʻa Kovar ʻi he U.S .. in 1936…. Lau ke lahi ange »
Ko e Zirconiume ko ha 'elemeniti ia 'oku angamaheni 'aki hono faka'aonga'i ko ha opacifier mo e refractory ., neongo 'oku faka'aonga'i ia 'i he ngaahi polokalama kehe 'o tatau pe .. Na‘e fuofua ‘ilo‘i ia ‘i he konga ki mui ‘o e senituli hono 18 ., ka na‘e ‘ikai ke fakamavahe‘i ia ‘o a‘u ki he senituli hono 19 pe na‘e ‘ai ke ma‘a mei he kamata‘anga ‘o e senituli hono 20 .. 'Oku 'ikai ke ma'u 'a e Zirconiume .… Lau ke lahi ange »
‘I he ngaahi ta‘u ‘e lauiafe he taimí ni ., kuo to'o 'e he kakai 'a e ngaahi ukamea kehekehe ., fefiofi fakataha kinautolu ., pea ko hono fa'u 'o e ngaahi fefiofi ukamea 'oku ui ko e ngaahi alloys 'oku 'i ai 'a e ngaahi koloa makehe 'oku nau 'ai ke nau mahu'inga ki he tangata .. Ko e ngaahi fakatātā ‘e ni‘ihi ‘o e ngaahi alloys kuo nau fai ha uesia lahi ki he māmaní ‘oku kau ai ‘a e palasa ., ‘a ia ko e fefiofi ‘o e tini mo e kopa ., mo e… Lau ke lahi ange »
Mahalo ʻoku hanga ʻe hono lau pe ʻo e foʻi lea zirconium ʻo ʻomi ki heʻeku fakakaukau ʻa e "zirconia," ʻa ia ko e taiamoni manakoa taha ia ʻo e mamani simulant. ʻOku kehekehe ʻaupito ʻa e zirconium mo e zirconia, ka ʻoku ngalingali ʻe fakakaukau ʻa e tokotaha ʻavalisi ʻoku nau fekauʻaki koeʻuhi he ʻoku nau ongo tatau, toʻomataʻ? Ko e zirconia ko ha meʻa ʻoku ngaohi ʻe he tangata, pea ʻoku ngalingali te ke maʻu ha siueli, hangē… Lau ke lahi ange »
Kuó ke fanongo ʻi he vanadium? Ko ha ukamea ia ʻoku teʻeki fanongo ai e kakai tokolahi– ka. ʻE lava ke fakahoko ʻe Vanadium ha fatongia mahuʻinga ʻi hono ʻoatu e ivi ki hotau mamani ʻi he ngaahi taʻu ka hoko mai. ʻUluaki, Neongo, fakakaukau ki Hauaiʻi, ʻa ia ʻoku fakafiefia ange ia ʻi he ngaahi siteiti lahi. Koeʻuhí ko hono feituʻu mamaʻó, ʻOku laka hake ʻi he tuʻo tolu ʻa e fakamole ki he ʻuhila ʻa Hauaiʻi… Lau ke lahi ange »
ʻOku angamaheni ʻaki ko e ngaahi naunau fefeka ʻa e ukamea ʻoku ʻiloa ʻoku faingataʻa, ngingila, ʻe lava ke ngofua hono fakaʻaongaʻí, fusible, mo e ductile. ʻI he lelei ʻa e ʻuhilá mo e thermal conductivity, ʻoku ʻaonga ʻa e ukamea ʻi ha ngaahi founga lahi pea ka ne taʻeʻoua kinautolu he ʻikai tatau hotau mamani. Kapau ʻoku ke fie maʻu ke malieʻia ho ngaahi kaungameʻa ʻi ha paati, pea ʻoku nau ʻi he "ukamea," ko ha ngaahi moʻoniʻi meʻa mālie ʻeni… Lau ke lahi ange »
ʻOku maʻu ʻa e Alloys ʻi ha ngaahi meʻa kehekehe, kau ai e fillings nifo, siueli, loka ʻo e matapaá, ngaahi meʻalea, silini maka, ngaahi meʻafana, mo e niʻihi ʻoku kau ki he ivi fakaʻatomi. Ko e ha leva e meʻa ʻoku alloys mo e meʻa ʻoku faʻu ʻaki? ʻOku fakatahaʻi ʻa e Alloys mo ha ngaahi meʻa kehe kae lava ke nau toe lelei ange ʻi ha faʻahinga founga. Neongo ʻoku pehe ʻe ha kakai ʻe niʻihi ʻoku ʻuhinga ʻa e foʻi lea ko e ʻ alloys ʻ… Lau ke lahi ange »
ʻOku ʻi ai ʻa e ukamea ʻi he kelekele ʻo e mamani. Fakatatau mo e tuʻunga ʻoku ke ʻi ai ʻi he palanite, kapau te ke keli ʻo kumi ha ʻalaminiume, siliva pe kopa, mahalo te ke maʻu kinautolu. ʻI he angamahení, ʻoku maʻu e ngaahi ukamea haohaoa ko ʻení ʻi he makakoloá ʻoku hoko ʻi he maká. Ko hono fakalea mahinongofua, kapau te ke keli ki he kelekelé pea/pe tānaki ha ngaahi foʻi maka, ʻoku ngalingali te ke maʻu… Lau ke lahi ange »
"*" fakahā mai a e ngaahi konga (field) oku fiemaʻ
"*" fakahā mai a e ngaahi konga (field) oku fiemaʻ
