Cov ntaub ntawv cim xeeb yog cov khoom siv tshwj xeeb ua ke nrog kev nkag siab thiab kev tsav tsheb, uas cov duab nco alloy yog ib qho ntawm cov khoom tseem ceeb. Shape memory alloy (SMA) yog ib hom hlau uas muaj qee yam pib zoo. Tom qab cov yas deformation thiab kho rau hauv lwm cov duab ntawm qhov kub thiab txias, nws tuaj yeem rov qab mus rau nws qhov pib zoo los ntawm cua sov siab tshaj qhov kub thiab txias.
Khoom faib: kub nco thiab elastic nco
Txuj: Q / xb1516 Q / xb1520
Khoom siv: tini-01 theem hloov kub: 20 ° C - 40 ° C
TiNi - 02 theem hloov pauv kub: 45 ° C - 65 ° C
TiNi SS theem hloov pauv kub: 5 ° C - 15 ° C
TiNi - 03 theem hloov pauv kub:< 5="" °="">
TiNi - YY theem hloov pauv kub: 33 * C + 3 ° C
TiNiCu theem hloov pauv kub: as - mss5 ° C
TiNiNb theem hloov pauv kub: as - MS< 150="" °="">
Lub cev muaj zog ntawm Nitinol nco: tensile zog: 850 MPa yield zog: 195 ~ 690 MPa
Elongation: 25 ~ 50%
Cov tshuaj muaj pes tsawg leeg ntawm NiTi alloy: Ni: 55.4% - 56.2% CS0 07 HS0. 005 O≤0.050 N: ≤0.05
Cov txheej txheem ua haujlwm: ASTM - 2063 - 01 ASTM f2063-2000 zoo nco cov ntaub ntawv ua tiav
Txog tam sim no, kev tsim cov duab nco alloys feem ntau yog Ti Ni raws, Cu raws thiab Fe raws. Hauv peb pawg no, qee cov ntsiab lus alloy tau ntxiv thiab hloov kho hauv matrix raws li cov kev xav tau sib txawv thiab ib puag ncig ua haujlwm, yog li ntawd cov alloys hauv txhua pawg tau tsim thiab siv rau txhua qhov chaw ntawm lub neej kom tau raws li qhov xav tau tshwj xeeb sib txawv.
Ti Ni cov duab nco alloy yog thawj zaug tsim, nrog rau qhov ruaj khov zoo tshaj plaws nco cov nyhuv thiab kuj paub tab. Nws tau siv rau hauv kev lag luam aerospace, kev lag luam tsheb, kev lag luam hluav taws xob, tshuaj thiab tib neeg lub neej. Txawm li cas los xij, vim tus nqi siab ntawm nws cov khoom siv raw Ni thiab Ti thiab cov nqi ua haujlwm siab, nws daim ntawv thov raug txwv.
Cu raws li cov duab nco alloys tau tsim sai heev vim lawv cov nqi qis, cov khoom siv dav dav thiab kev ua haujlwm yooj yim thiab kev tsim khoom. Copper raws li cov duab nco alloys yog ntau haiv neeg ntawm peb hom alloys, tab sis tsuas muaj Cu Zn Al thiab Cu-A1-Ni.
Fe raws li cov duab nco alloy tsim lig, nws cov nqi qis dua Ti Ni thiab tooj liab alloys, thiab nws yooj yim rau kev ua. Nws muaj kev sib tw kom pom tseeb hauv daim ntawv thov. Nws yog suav hais tias yog ib qho khoom siv nrog kev siv dav dav thiab tau txais kev saib xyuas dav.
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