Showing 1 - 8 of 8
In order to improve the bonding strength of hydroxyapatite coating on carbon/carbon composites, a surface hydrophilic …. The hydroxyapatite coating was prepared by an ultrasound-assisted electrochemical deposition method. The results showed …-shaped crystal at initial deposition process and subsequently formed a compact and uniform coating. The bonding strength of …
Persistent link: https://www.econbiz.de/10011011234
To improve the oxidation resistance of the SiC-MoSi2 coating prepared by two-step pack cementation, a liquid Si …. The results show that the size and number of the cracks in the modified coating decreased evidently after infiltrating Si …. The oxidation test results in air at 1773 K show that the mass loss of the SiC-MoSi2 coating coated carbon/carbon (C …
Persistent link: https://www.econbiz.de/10010660997
-heating-deposited monetite coating to an adherent HA coating on H2O2 treated C/C composites. The structure, morphology and chemical composition …
Persistent link: https://www.econbiz.de/10008474831
In order to protect carbon/carbon (C/C) composites from oxidation at 1700°C, a MoSi2–SiC–Si/MoSi2 coating was prepared … cementation, and the MoSi2 outer layer was prepared by slurry coating using silicon-sol as the caking agent. The microstructures … of the as-prepared coating were examined by X-ray diffraction and scanning electron microscope. Oxidation test shows that …
Persistent link: https://www.econbiz.de/10004996434
A novel Mo–Si–B double-layer coating was prepared for the carbon/carbon (C/C) composites by pack cementation in an … argon atmosphere. The structures of the double-layer coatings were characterized by XRD and SEM. The as-received coating … oxidation protective coating was principally due to producing eutectic glass film for decreasing oxygen diffusing through the …
Persistent link: https://www.econbiz.de/10004996442
In order to protect carbon/carbon (C/C) composites against oxidation, a (Mo,W)Si2 coating was prepared on the surface … microstructures and oxidation protective ability of the as-received coating were investigated. The results show that the (Mo,W)Si2 … outer layer coating containing free Si has a good bonding with SiC inner layer. The as-prepared SiC/(Mo,W)Si2 coating can …
Persistent link: https://www.econbiz.de/10004996456
SiC coating for carbon/carbon composites was prepared by pack cementation method. The effects of coating process on the … the infiltrated Si improved the interfaces bonding during the coating process, the flexural strength and flexural modulus …
Persistent link: https://www.econbiz.de/10005080537
To improve the oxidation protective ability of SiC coating for carbon/carbon (C/C) composites, MoSi2 was introduced in … the SiC coating by infiltration technique. XRD and SEM analysis show that the SiC coating obtained by pack cementation is … the porous SiC-coating, and the as-received coating becomes dense without through-thickness crack. Oxidation test shows …
Persistent link: https://www.econbiz.de/10005047086