Xov Xwm Kev Lag Luam

Cov vaj huam sib luag ua los ntawm txhuas ua npuas ncauj, ib yam khoom siv hloov pauv tshiab, tau pom ntau yam kev siv hauv kev kho kom zoo nkauj hauv tsev.

Ua npuas ncauj txhuas, ua cov khoom siv uas tsis hnyav thiab muaj qhov nqus tau, yog siv dav hauv kev tsav dav hlau, kev tsim kho vaj tse, kev thauj mus los, thiab kev tswj suab nrov vim nws cov khoom siv kho tshuab zoo heev, cov khoom rwb thaiv tsev thermal thiab acoustic, thiab lub zog...

Ua npuas ncauj txhuas yog cov khoom siv hlau uas tsis hnyav thiab muaj kev ua tau zoo heev, thiab nws cov kev ua tau zoo feem ntau nyob ntawm kev tsim cov khoom sib xyaw thiab kev ua kom zoo dua ntawm cov khoom siv. Cov hauv qab no piav qhia txog kev tsim cov khoom sib xyaw thiab kev xaiv...

Cov ua npuas hlau yog cov khoom sib xyaw ua ke ntau yam nrog cov yam ntxwv tshwj xeeb uas muaj kev siv zoo hauv cov khoom sib pauv cua sov me me, kev khaws cia lub zog hloov pauv theem, kev txias microelectronic, catalytic reactors, thiab lwm yam. Txawm li cas los xij, muaj p ...

Cov qauv polycrystalline yog ib qho khoom tseem ceeb ntawm cov khoom siv hlau. Rau cov hlau dav dav, shrinkage, porosity, thiab porosity yog qhov tsis zoo ntawm kev ua hlau uas yuav cuam tshuam ncaj qha rau cov hlau txoj kev ua tau zoo. Txawm li cas los xij, thaum lub porosit...

Cov ua npuas hlau siv dav hauv kev lag luam aerospace, kev lag luam tsheb thiab kev tsim kho vim lawv cov qauv porous tshwj xeeb. Ntawm lawv, qhov cuam tshuam ntawm qhov loj ntawm qhov pore yog ib qho ntawm cov yam tseem ceeb uas cuam tshuam rau lawv cov khoom.

Aluminium ua npuas ncauj sandwich vaj huam sib luag yog ib hom sib dua, muaj zog tshwj xeeb thiab muaj zog tshwj xeeb nrog cov txhuas ua npuas ncauj ua cov khoom siv tseem ceeb thiab cov khoom txhuas khov kho ua cov khoom siv nto. Vim tias cov khoom siv sandwich yog ...

Ua npuas ncauj txhuas yog ib yam khoom uas muaj qhov ntxeem tau nrog ntau lub npuas hauv cov hlau txhuas matrix. Nws cov qauv tshwj xeeb muab ntau yam khoom tshwj xeeb uas tsis pom muaj nyob rau hauv cov hlau ntom.

Cov qauv niaj hnub nim no tseem niaj hnub nrov zuj zus, thiab cov hlau kuj yog ib qho kev hloov pauv loj dua. Cov hlau ntxiv kev zoo nkauj rau cov qauv uas tuaj yeem sib xyaw ua ke rau ntau yam qauv, txij li kev lag luam chic mus rau minimalism. Sib xyaw ua ke...

Muaj ntau txoj kev tseem ceeb ntawm kev ua npuas ncauj txhuas, suav nrog txoj kev yaj ua npuas ncauj, txoj kev ua npuas ncauj hmoov metallurgy thiab txoj kev ua npuas ncauj thib ob. Txoj kev yaj ua npuas ncauj yog ib txoj hauv kev los tsim cov qauv ua npuas ncauj hauv cov kua txhuas. Hmoov meta...

Silicon carbide ceramics ua ib qho ntawm cov khoom siv niaj hnub engineering ceramics, nws qhov nyuaj yog qhov thib ob tsuas yog pob zeb diamond, nrog rau cov coefficient me me ntawm thermal expansion, thermal conductivity siab, tshuaj lom neeg ruaj khov zoo, hnav tsis kam siab, ntawm qhov siab ...

Cov hlau ua npuas ncauj yog cov khoom siv hlau tshwj xeeb uas muaj cov qhov ua npuas ncauj, uas yog tus cwj pwm los ntawm qhov ceev qis, rwb thaiv tsev zoo, rwb thaiv suab thiab tiv thaiv hluav taws xob. Cov qauv porous ntawm cov hlau ua npuas ncauj muab rau nws tshwj xeeb prop ...