Aluminium diboride AlB2 phofo

Tlhaloso e Khutšoanyane:

.Aluminium diboride
Foromo ea molek'hule: AlB2
Nomoro ea CAS: 12041-50-8Litšobotsi: phofo e ntšo le e bohlooho
Boima: 3.19 g / cm3
Sebaka se qhibilihang: 1655°c
Lisebelisoa: Cermet


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Tlhaloso ea Sehlahisoa

 1, E sebelisoa e le thepa ea semiconductor bakeng sa ho lokisa mocheso o phahameng, thepa ea doped, thepa ea tube, thepa ea cathode le lisebelisoa tse monyang tsa nyutlelie tse nang le mocheso o phahameng oa mocheso.

2, alloy ena e khethehileng e na le khanyetso e ntle ea ho apara, ho hanyetsa mocheso, ho hanyetsa oxidation, ho hanyetsa le mocheso li na le kamano e haufi. fafatsa lisebelisoa tsa lik'hemik'hale. E ka boela ea sebelisoa e le lisebelisoa tsa inorganic tse thata haholo.

3, e ka nkela letlapa la tšepe la silicon sebaka, ho boloka matla a fetang 50%.

4, ho ba le ts'ebeliso e itseng indastering ea nyutlelie, li-rocket nozzles, li-bearings tsa mocheso o phahameng, li-tube tsa ts'ireletso ea thermoelectric, likarolo tsa koloi le tlhahiso e 'ngoe.

Aluminium borate (AlB2) ke mofuta oa motsoako oa binary o entsoeng ka aluminium le boron.

Ke bofubelu bo bohlooho bo tiileng tlas'a mocheso o tloaelehileng le khatello. E tsitsitse ka ho hlapolla ho batang

acid, 'me e bolile ka hydrochloric acid e chesang le nitric acid. Ke e 'ngoe ea tse peli

metsoako ea aluminium le boron. E 'ngoe ke alb12, eo hangata e bitsoang aluminium

borate. Alb12 ke kristale e khanyang ea monoclinic e ntšo e nang le matla a khoheli a 2.55 (18 ℃).

Ha e qhibilihe ka metsing, acid le alkali. E bola ka nitric acid e chesang 'me e fumanoa

ka ho qhibilihisa boron trioxide, sebabole le aluminium hammoho.

Ka sebopeho, liathomo tsa B li theha li-graphite flakes le liathomo tsa Al lipakeng tsa tsona, tse ngata haholo

e tšoanang le sebopeho sa magnesium diboride. Crystal e le 'ngoe ea AlB2 e bonts'a tšepe

conductivity hammoho le axis e bapileng le hexagonal sefofane sa substrate. Boron

metsoako ea aluminium e matlafatsoa ke fiber ea boron kapa fiber ea boron e nang le tšireletso e sireletsang.

Boima ba boron fiber bo ka ba 45% ~ 55%. Matla a khoheli a tlase, a phahameng

thepa ea mochini. Matla a longitudinal tensile le elastic modulus ea unidirectional

motsoako oa aluminium oa boron o matlafalitsoeng o ka bang 1.2 ~ 1.7gpa le 200 ~ 240gpa, ka ho latellana.

The longitudinal khethehileng rekere modulus le matla a itseng a ka bang 3 ~ 5 linako tse ling le

3 ~ 4 linako tse ling tsa titanium alloy duralumin le tšepe ea alloy, ka ho latellana. E se e sebelisitsoe ho

turbojet fan fan blades, likoloi tsa sefofane le meaho ea sathelaete. Ho hatella ho chesang

Mokhoa oa ho kopanya o sebelisoa ho etsa lipoleiti, li-profile le likarolo tse rarahaneng

libopeho, le mokhoa o tsoelang pele oa ho lahla o ka sebelisoa ho etsa li-profile tse fapaneng.


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34


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