Kovar has been in use for many decades. Despite its relatively long history, many people outside of engineering fields may never have heard of this valuable alloy. This is an overview of kovar. The name Kovar is actually trademarked by a Delaware corporation, CRS Holdings, Inc. Kovar was first patented in the U.S. in 1936…. Lau ke lahi ange »
Zirconium is an element that is commonly used as an opacifier and refractory, though it is used in other applications as well. It was first discovered in the late 18th century, but was not isolated until the 19th century or made available in a pure from until the early 20th century. Zirconium is not found… Lau ke lahi ange »
For thousands of years now, people have been taking various metals, blending them together, and creating metal mixtures called alloys that have unique properties that make them valuable to human beings. Some example of alloys that have made a big impact on the world include bronze, which is a blend of tin and copper, 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, such… 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 »
Naʻa ke ʻiloʻi nai ʻoku takatakaiʻi kitautolu ʻe he ukamea, pea mahuʻinga ki he moʻuí ʻo hangē ko ia ʻoku tau ʻiloʻí? ʻOku ʻikai ngata pe ʻi hono fie maʻu ʻe ho sino ha ukamea hange ko e singiki mo e kopa ke ngaue lelei, ka ka ʻikai ha ukamea he ʻikai ke ʻi ai hoʻo ngaahi komipiuta. ʻOku ke lava nai ʻo fakakaukau atu ki he ʻikai ke ke lava ʻo vakaiʻi e ʻimeili pe mamata ʻi he ngaahi vitio YouTube? ʻE hoko ia ko ha… Lau ke lahi ange »
"*" fakahā mai a e ngaahi konga (field) oku fiemaʻ
"*" fakahā mai a e ngaahi konga (field) oku fiemaʻ
