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OXIDATION RESISTANT (Mo,W)Si2 COATING FOR SiC-COATED CARBON/CARBON COMPOSITES BY IN SITU FORMATION METHOD

FU, QIAN-GANG; LI, HE-JUN; LI, KE-ZHI; TONG, KE; YAO, … - In: Surface Review and Letters (SRL) 16 (2009) 02, pp. 309-313

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

DETECTING CORROSION RESISTANCE OF COATED STEEL REBARS BY ELECTROCHEMICAL TECHNIQUE (EIS)

RYOU, J.; SHAH, S. - In: Surface Review and Letters (SRL) 13 (2006) 04, pp. 345-349

concrete. In this study, Si-based coating materials are used and evaluated, because adding Si to metals and alloys, including … appears that the silicon powder coating bonds well to the steel, and that the coating has a good performance. …

Persistent link: https://www.econbiz.de/10005047031

DEVELOPMENT OF HYDROXYAPATITE COATING PREPARED BY SOL–GEL TECHNIQUE

WANG, HUI; CHEN, CHUANZHONG; WANG, DIANGANG - In: Surface Review and Letters (SRL) 13 (2006) 06, pp. 737-745

mechanical advantages and biological affinity. The sol–gel technique, as a new method to prepare the hydroxyapatite (HA) coating …

Persistent link: https://www.econbiz.de/10005047070

MoSi2-IMPROVED SiC COATING TO PROTECT CARBON/CARBON COMPOSITES AGAINST OXIDATION

FU, QIANGANG; XUE, HUI; LI, HEJUN; LI, KEZHI; SHI, XIAOHONG - In: Surface Review and Letters (SRL) 14 (2007) 04, pp. 795-799

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

PHASE COMPOSITION, MICROSTRUCTURE, AND TRIBOLOGICAL PROPERTY OF PLASMA-SPRAYED TiC-BASED COATING

SUN, SHIBIN; ZOU, ZENGDA; LIU, XUEMEI; SHI, HANCHAO - In: Surface Review and Letters (SRL) 15 (2008) 06, pp. 815-819

TiC-based wear resistant coating was prepared by plasma spraying using reconstituted composite powders doped with ultra …-fine carbide. Phase composition and microstructure of as-sprayed coating were characterized by X-ray diffraction (XRD), scanning … performed by using a ring-on-block tester under dry sliding condition. Results show that the coating adheres well to the …

Persistent link: https://www.econbiz.de/10005047106

Small wind turbines with timber blades for developing countries: Materials choice, development, installation and experiences

Mishnaevsky, Leon; Freere, Peter; Sinha, Rakesh; … - In: Renewable Energy 36 (2011) 8, pp. 2128-2138

The low cost wind turbines with timber blades represent a good solution for the decentralized energy production in off-grid regions of developing countries. This paper summarizes the results of investigations on the mechanical testing and choice of timber for wind blades, testing of different...

Persistent link: https://www.econbiz.de/10010804014

FABRICATION OF IN SITU Fe-Ti-B COMPOSITE COATING BY LASER CLADDING

DU, BAOSHUAI - In: Surface Review and Letters (SRL) 20 (2013) 03, pp. 1350034-1

Laser cladding was applied to deposit in situ Fe-Ti-B composite coatings on mild carbon steel with precursor of ferrotitanium, ferroboron and pure Fe alloy powders. The composite coatings were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD) and electron probe...

Persistent link: https://www.econbiz.de/10010687556

DOUBLE GLOW PLASMA SURFACE ALLOYING ANTIBACTERIAL SILVER COATING ON PURE TITANIUM

LIN, NAIMING; GUO, JUNWEN; HANG, RUIQIANG; ZOU, JIAOJUAN; … - In: Surface Review and Letters (SRL) 21 (2014) 03, pp. 1450032-1

avoiding the invalidation that is caused by bacterial adhesion on the surface, a silver coating was fabricated via double glow … plasma surface alloying. The antibacterial property of the silver coating was assessed via in vitro estimation. The results … showed that a continuous and compact coating was formed. The silver coating had absolute superiority in antibacterial …

Persistent link: https://www.econbiz.de/10010779416

A SIMPLE METHOD OF APPLYING CARBON FOAM COATING FOR CARBON/CARBON COMPOSITES TO MODULATE CELL COMPATIBILITY

ZHANG, LEILEI; LI, HEJUN; LU, JINHUA; WANG, BIN; ZHAO, XUENI - In: Surface Review and Letters (SRL) 20 (2013) 01, pp. 1350002-1

A simple slurry method was used to prepare carbon foam coatings on biomedical carbon/carbon composites to modulate the cell compatibility. The surface morphology and microstructure of the coatings were characterized and the effect of applying carbon foam coatings on cell morphology and cell...

Persistent link: https://www.econbiz.de/10010660992

MODIFIED SiC-MoSi2 OXIDATION PROTECTIVE COATING FOR SiC-COATED CARBON/CARBON COMPOSITES THROUGH INFILTRATING LIQUID Si

ZHANG, ZHENG-ZHONG; LI, HE-JUN; MA, CHAO; FU, QIAN-GANG; … - In: Surface Review and Letters (SRL) 18 (2011) 03, pp. 109-114

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