Cov qauv rau carbon graphite feem ntau suav nrog kev ntsuas kev ua tau zoo thiab cov txheej txheem kev ntsuas purity.
Technical Performance indicators, As
Cov kev ntsuas kev ua tau zoo ntawm carbon graphite suav nrog cov khoom siv impregnation, phenolic resin, furan resin, antimony tooj liab alloy, thiab lwm yam. Cov kev qhia tshwj xeeb yog raws li hauv qab no:
Cov ntaub ntawv impregnation: phenolic resin, furan resin, antimony tooj liab alloy
Ntug Hardness: 85, 90, 85, 85
Qhov ceev: 1.75 g / cm³, 2.2 g / cm³, 2.4 g / cm³
Pom tseeb porosity: 1.5%, 2.2%, 3%
Compressive zog: 240 MPa, 200 MPa, 190 MPa
Siv kub: 200 degree, 400 degree
Purity test method
Cov kev ntsuas purity rau carbon graphite feem ntau suav nrog cov hauv qab no:
Inductively coupled plasma emission spectroscopy (ICP): Qhov no yog tam sim no qhov tseeb tshaj plaws ntawm kev txheeb xyuas cov kab, thiab qee cov ntsiab lus tuaj yeem ncav cuag qib ppb. Lub hauv paus ntsiab lus tseem ceeb yog kom dhau cov qauv ua kua rau hauv chav kuaj los ntawm lub catheter, foob cov qauv nrog cov ntshav purity siab, thiab ua kom txhua lub zog hloov pauv. Cov kev hloov pauv sib txawv yuav tsim cov spectra sib txawv, thiab cov cuab yeej ntsuas siab ntsuas ntsuas cov spectral sib txawv kom tsis ncaj qha calibrate cov ntsiab lus ntawm txhua lub caij. Qhov ntsuas qhov tseeb thiab kev ntseeg siab ntawm ICP-MS zoo dua ICP-AES.
High-resolution glow discharge mass spectrometry (GDMS): Txoj kev no kuj tseem siv tau los txheeb xyuas cov kab hauv graphite.
Txoj kev combustion: Txheeb xyuas qhov muaj pes tsawg leeg los ntawm kev hlawv cov qauv.
Cov qauv no thiab cov ntsuas kev ua haujlwm tau ua kom muaj kev ua tau zoo thiab kev ntseeg siab ntawm carbon graphite hauv ntau daim ntawv thov.
