Boron | |
Ponahalo | Bosootho bo botsho |
Mokhahlelo ho STP | Tiileng |
Sebaka se qhibilihang | 2349 K (2076 °C, 3769 °F) |
Ntho e belang | 4200 K (3927 °C, 7101 °F) |
Density ha e le metsi (ho mp) | 2.08 g/cm3 |
Mocheso oa fusion | 50.2 kJ / mol |
Mocheso oa vaporization | 508 kJ / mol |
Bokhoni ba mocheso oa Molar | 11.087 J/(mol·K) |
Boron ke karolo ea metalloid, e nang le li-allotrope tse peli, boron ea amorphous le boron ea crystalline. Amorphous boron ke phofo e sootho ha crystalline boron e le silevera ho ea ho e ntšo. Crystalline boron granules le likotoana tsa boron li na le boron ea bohloeki bo phahameng, li thata haholo, 'me ha li na mocheso oa kamore.
Crystalline Boron
Mofuta oa kristale oa crystalline boron haholo-holo ke β-form, e entsoeng ho tloha ho β-form le γ-fomo ho ea ho cube ho etsa sebopeho sa kristale se tsitsitseng. Joalo ka boron ea kristale ea tlhaho, bongata ba eona bo feta 80%.Mmala hangata ke phofo e sootho kapa likaroloana tse sootho tse sa tloaelehang. Boholo bo tloaelehileng ba karoloana ea phofo ea crystalline boron e ntlafalitsoeng le e hlophisitsoeng ke k'hamphani ea rona ke 15-60μm; boholo bo tloaelehileng ba likaroloana tsa crystalline boron particles ke 1-10mm (boholo bo khethehileng ba likaroloana bo ka etsoa ho latela litlhoko tsa bareki). Ka kakaretso, e arotsoe ka litlhaloso tse hlano ho latela bohloeki: 2N, 3N, 4N, 5N, le 6N.
Tlhaloso ea Khoebo ea Crystal Boron
Brand | Likahare tsa B (%)≥ | Lintho tse sa hloekang (PPM)≤ | ||||||||||
Fe | Au | Ag | Cu | Sn | Mn | Ca | As | Pb | W | Ge | ||
UMCB6N | 99.9999 | 0.5 | 0.02 | 0.03 | 0.03 | 0.08 | 0.07 | 0.01 | 0.01 | 0.02 | 0.02 | 0.04 |
UMCB5N | 99.999 | 8 | 0.02 | 0.03 | 0.03 | 0.1 | 0.1 | 0.1 | 0.08 | 0.08 | 0.05 | 0.05 |
UMCB4N | 99.99 | 90 | 0.06 | 0.3 | 0.1 | 0.1 | 0.1 | 1.2 | 0.2 | |||
UMCB3N | 99.9 | 200 | 0.08 | 0.8 | 10 | 9 | 3 | 18 | 0.3 | |||
UMCB2N | 99 | 500 | 2.5 | 1 | 12 | 30 | 300 | 0.08 |
Sephutheloana: Hangata e phuthetsoe ka libotlolong tsa polytetrafluoroethylene 'me e tiisitsoe ka khase ea inert, e nang le litlhaloso tsa 50g/100g/botlolo;
Amorphous Boron
Amorphous boron e boetse e bitsoa non-crystalline boron. Sebopeho sa eona sa kristale se na le sebopeho sa α, sa sebopeho sa kristale sa tetragonal, 'me' mala oa sona o sootho kapa o mosehla hanyane. Phofo ea boron ea amorphous e ntlafalitsoeng le e hlophisitsoeng ke k'hamphani ea rona ke sehlahisoa sa boleng bo holimo. Kamora ts'ebetso e tebileng, litaba tsa boron li ka fihla ho 99%, 99.9%; boholo bo tloaelehileng ba likaroloana ke D50≤2μm; ho ea ka litlhoko tse khethehileng tsa boholo ba likaroloana tsa bareki, phofo ea sub-nanometer (≤500nm) e ka sebetsoa le ho etsoa ka mokhoa o ikhethileng.
Tlhaloso ea Amorphous Boron Enterprise
Brand | Likahare tsa B (%)≥ | Lintho tse sa hloekang (PPM)≤ | |||||||
Fe | Au | Ag | Cu | Sn | Mn | Ca | Pb | ||
UMAB3N | 99.9 | 200 | 0.08 | 0.8 | 10 | 9 | 3 | 18 | 0.3 |
UMAB2N | 99 | 500 | 2.5 | 1 | 12 | 30 | 300 | 0.08 |
Sephutheloana: Ka kakaretso, e phuthetsoe ka mekotleng ea foil ea vacuum aluminium e nang le litlhaloso tsa 500g / 1kg (phofo ea nano ha e hlatsoe);
Isotope ¹¹B
Bongata ba tlhaho ba isotope ¹¹B ke 80.22%, 'me ke sesebelisoa sa boleng bo holimo sa lisebelisoa tsa semiconductor chip. Joaloka dopant, ¹¹B e ka etsa li-ion tsa silicon tse teteaneng, tse sebelisetsoang ho etsa li-circuits tse kopantsoeng le li-microchips tse phahameng haholo, 'me e na le phello e ntle ho ntlafatsa bokhoni ba ho thibela mahlaseli a kotsi a lisebelisoa tsa semiconductor. ¹¹B isotope e ntlafalitsoeng le ho etsoa ke k'hamphani ea rona ke isotope ea kristale e bopehileng joaloka cubic e nang le bohloeki bo holimo, 'me ke thepa e tala ea bohlokoa bakeng sa lichifi tsa boemo bo holimo.
Tlhaloso ea Isotope¹¹B ea Khoebo
Brand | Litaba tsa B (%)≥) | Bongata (90%) | Boholo ba likaroloana (mm) | Ela hloko |
UMIB6N | 99.9999 | 90 | ≤2 | Re ka etsa lihlahisoa ka bongata bo fapaneng le boholo ba likaroloana ho latela litlhoko tsa mosebelisi |
Sephutheloana: E phuthetsoe ka botlolo ea polytetrafluoroethylene, e tletseng tšireletso ea khase e sa sebetseng, 50g / botlolo;
Isotope ¹ºB
Bongata ba tlhaho ba isotope ¹ºB ke 19.78%, e leng sesebediswa se setle sa ho sireletsa nyutlelie, haholo se nang le matla a ho monya dinyutrone. Ke e 'ngoe ea lisebelisoa tse tala tse hlokahalang thepa ea indasteri ea nyutlelie. ¹ºB isotope e entsoeng le ho hlahisoa ke k'hamphani ea rona ke ea isotope ea kristale e bopehileng joaloka cubic, e nang le melemo ea bohloeki bo phahameng, bongata bo phahameng le ho kopanngoa ha bonolo le litšepe. Ke thepa e ka sehloohong e tala ea thepa e khethehileng.
Tlhaloso ea Isotope¹ºB ea Khoebo
Brand | Litaba tsa B (%)≥) | Bongata(%) | Boholo ba likaroloana (μm) | Boholo ba likaroloana (μm) |
UMIB3N | 99.9 | 95,92,90,78 | ≥60 | Re ka etsa lihlahisoa ka bongata bo fapaneng le boholo ba likaroloana ho latela litlhoko tsa mosebelisi |
Sephutheloana: E phuthetsoe ka botlolo ea polytetrafluoroethylene, e tletseng tšireletso ea khase e sa sebetseng, 50g / botlolo;
Amorphous boron, Boron powder le Natural boron li sebelisetsoa eng?
Ho na le lisebelisoa tse pharaletseng bakeng sa Amorphous boron, Boron powder le Natural boron. Li sebelisoa ka metallurgy, elektroniki, meriana, ceramics, indasteri ea nyutlelie, indasteri ea lik'hemik'hale le masimo a mang.
1. Amorphous boron e sebelisoa indastering ea likoloi e le secheso ka mekotleng ea moea le ho tiisa mabanta. Amorphous boron e sebelisoa ho pyrotechnics le lirokete e le tlatsetso ea li-flares, li-igniters le ho lieha ha lipina, mafura a matla a propellant, le liqhomane. E fa li-flares 'mala o motala o ikhethang.
2. Boron ea tlhaho e entsoe ka li-isotopi tse peli tse tsitsitseng, e 'ngoe ea tsona (boron-10) e nang le palo ea tšebeliso e le moemeli oa ho nka li-neutron. E sebelisoa joalo ka mohanyi oa nyutrone litaolong tsa reactor ea nyutlelie, le ho thatafatsa mahlaseli.
3. Elemental boron e sebelisoa e le dopant indastering ea semiconductor, ha metsoako ea boron e phetha karolo ea bohlokoa e le lisebelisoa tsa mohaho o bobebe, likokoana-hloko le li-preservative, le li-reagents bakeng sa motsoako oa lik'hemik'hale.
4. Boron phofo ke mofuta oa mafura a tšepe a nang le boleng bo phahameng ba gravimetric le volumetric calorific, e 'nileng ea sebelisoa haholo libakeng tsa sesole tse kang li-propellants tse tiileng, liqhomane tse matla haholo, le pyrotechnics. 'Me mocheso oa mollo oa phofo ea boron o fokotsehile haholo ka lebaka la sebopeho sa eona se sa tloaelehang le sebaka se seholo se khethehileng sa holim'a metsi;
5. Boron phofo e sebelisoa e le motsoako oa motsoako lihlahisoa tse khethehileng tsa tšepe ho etsa li-alloys le ho ntlafatsa thepa ea mechine ea tšepe. E ka boela ea sebelisoa ho roala lithapo tsa tungsten kapa ho tlatsa li-composite ka litšepe kapa lirafshoa. Boron e sebelisoa khafetsa ka li-alloys tsa sepheo sa spcial ho thatafatsa litšepe tse ling, haholo li-alloys tse nang le mocheso o phahameng oa mocheso.
6. Boron phofo e sebelisoa e le deoxidizer ka ho qhibilihisa koporo e se nang oksijene. Palo e nyane ea phofo ea boron e eketsoa nakong ea ts'ebetso ea ho qhibilihisa tšepe. Ka lehlakoreng le leng, e sebelisoa e le deoxidizer ho thibela tšepe ho ba oxidized mocheso o phahameng. Borone phofo e sebelisoa e le tlatsetso bakeng sa litene tsa magnesia-carbon tse sebelisoang liboping tsa mocheso o phahameng bakeng sa ho etsa tšepe;
7. Boron Powders e boetse e na le thuso ts'ebetsong leha e le efe moo libaka tse phahameng tsa holimo li lakatsehang tse kang ho hloekisa metsi le ka liseleng tsa mafura le lisebelisoa tsa letsatsi. Li-nanoparticles li boetse li hlahisa libaka tse phahameng haholo.
8. Boron phofo e boetse e le thepa ea bohlokoa e tala bakeng sa ho etsoa ha boron halide e phahameng, le lisebelisoa tse ling tse tala tsa boron; Boron phofo e ka boela ea sebelisoa e le thuso ea ho cheselletsa; Boron phofo e sebelisoa e le sethatho bakeng sa mekotla ea moea ea koloi;