Tungsten Alloy yog ib yam khoom siv hlau nrog kev hloov pauv hlau tungsten (W) raws li cov theem nyuaj thiab npib tsib xee (Ni), hlau (Fe), tooj liab (Cu) thiab lwm yam hlau raws li qib sib txuas. Nws muaj cov thermodynamic zoo heev, tshuaj lom neeg thiab hluav taws xob thiab siv dav hauv kev tiv thaiv hauv tebchaws, tub rog, aerospace, aviation, tsheb, kev kho mob, khoom siv hluav taws xob thiab lwm yam. Cov yam ntxwv tseem ceeb ntawm tungsten alloys yog qhia hauv qab no.
1. High ceev
Qhov ntom yog qhov loj ntawm ib chav tsev ntim ntawm cov khoom thiab cov yam ntxwv ntawm cov khoom. Nws tsuas yog cuam tshuam nrog cov khoom siv thiab tsis muaj dab tsi cuam tshuam nrog nws qhov loj thiab ntim. Qhov ceev ntawm tungsten alloy feem ntau yog 16.5 ~ 19.0g / cm3, uas yog ntau tshaj ob npaug ntawm cov hlau. Feem ntau, qhov siab dua cov ntsiab lus ntawm tungsten lossis qis dua cov ntsiab lus ntawm kev sib txuas hlau, qhov siab dua ntawm tungsten alloy; Ntawm qhov tsis sib xws, qhov ntom ntawm cov alloy yog qis dua. Qhov ceev ntawm 90W7Ni3Fe yog li 17.1g / cm3, ntawm 93W4Ni3Fe yog li 17.60g / cm3, thiab ntawm 97W2Ni1Fe yog li 18.50g / cm3.
2. Siab melting point
Melting point yog hais txog qhov kub thiab txias uas cov khoom hloov pauv los ntawm cov khoom mus rau cov kua hauv ib lub siab. Lub melting point ntawm tungsten alloy yog qhov siab, txog 3400 ℃. Qhov no txhais tau hais tias cov khoom siv alloy muaj cov cua sov zoo thiab tsis yooj yim rau yaj.
3. Siab hardness
Hardness yog hais txog lub peev xwm ntawm cov ntaub ntawv los tiv thaiv indentation deformation tshwm sim los ntawm lwm yam khoom tawv, thiab yog ib qho tseem ceeb qhia txog cov khoom hnav tsis kam. Lub hardness ntawm tungsten alloy feem ntau yog 24 ~ 35HRC. Feem ntau, qhov siab dua cov ntsiab lus tungsten lossis qis dua cov ntsiab lus ntawm cov hlau sib txuas, qhov nyuaj dua ntawm tungsten alloy thiab qhov zoo dua qhov hnav tsis kam; Ntawm qhov tsis sib xws, qhov me dua qhov hardness ntawm alloy, qhov hnyav dua qhov hnav tsis kam. Lub hardness ntawm 90W7Ni3Fe yog 24-28HRC, ntawm 93W4Ni3Fe yog 26-30HRC, thiab ntawm 97W2Ni1Fe yog 28-36HRC.
4. Zoo ductility
Ductility yog hais txog cov yas deformation muaj peev xwm ntawm cov ntaub ntawv ua ntej tawg vim kev ntxhov siab. Nws yog lub peev xwm ntawm cov ntaub ntawv los teb rau kev ntxhov siab thiab mus tas li deform. Nws raug cuam tshuam los ntawm cov khoom xws li raw khoom piv thiab ntau lawm technology. Feem ntau, qhov siab dua cov ntsiab lus tungsten lossis qis dua cov ntsiab lus ntawm cov hlau, qhov me dua qhov elongation ntawm tungsten alloys; Ntawm qhov tsis sib xws, qhov elongation ntawm cov alloy nce. Lub elongation ntawm 90W7Ni3Fe yog 18-29%, uas ntawm 93W4Ni3Fe yog 16-24%, thiab ntawm 97W2Ni1Fe yog 6-13%.
5. Lub zog tensile siab
Lub zog tensile yog tus nqi tseem ceeb ntawm kev hloov pauv ntawm cov yas deformation rau cov khoom siv hauv zos concentrated yas deformation, thiab tseem muaj peev xwm ua tau zoo tshaj plaws ntawm cov ntaub ntawv nyob rau hauv cov xwm txheej zoo li qub. Nws muaj feem xyuam rau cov khoom muaj pes tsawg leeg, raw khoom piv thiab lwm yam. Feem ntau, lub zog tensile ntawm tungsten alloys nce nrog qhov nce ntawm cov ntsiab lus tungsten. Lub zog tensile ntawm 90W7Ni3Fe yog 900-1000MPa, thiab ntawm 95W3Ni2Fe yog 20-1100MPa;
6. Kev tiv thaiv zoo heev
Shielding kev ua tau zoo yog hais txog lub peev xwm ntawm cov ntaub ntawv los thaiv hluav taws xob. Tungsten alloy muaj kev tiv thaiv zoo heev vim nws qhov siab ceev. Qhov ceev ntawm tungsten alloy yog 60% siab dua cov hlau lead (~ 11.34g / cm3).
Tsis tas li ntawd, high-density tungsten alloys yog non-toxic, environmentally friendly, non radioactive, low thermal expansion coefficient thiab zoo conductivity.
Post lub sij hawm: Jan-04-2023