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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

ABLATION PROPERTY OF SiC-TaSi2 COATED CARBON/CARBON COMPOSITES

LI, SHUPING; LI, KEZHI; LI, HEJUN - In: Surface Review and Letters (SRL) 17 (2010) 05, pp. 487-491

To prevent the carbon/carbon (C/C) composites from ablation, a new type of ablation protective coating was prepared on … ablation behavior of the coated samples were evaluated by the oxyacetylene flame. The results show that, the SiC-TaSi2 coating …

Persistent link: https://www.econbiz.de/10009141309

IMPROVING THE SURFACE PROPERTIES OF INCONEL 718 BY APPLYING A CO2 LASER HEAT TREATMENT TO A HIGH-VELOCITY OXY-FUEL COATING OF WC-CrCo POWDER

CHO, T. Y.; YOON, J. H.; JOO, Y. K.; ZHANG, S. H.; CHO, … - In: Surface Review and Letters (SRL) 17 (2010) 02, pp. 207-213

. To further improve the surface properties, the HVOF coating was heat-treated by a CO2 laser. The surface properties of … both the coating and the laser-heated coating were then compared. The HVOF optimal coating process (OCP) for a coating with … the highest surface hardness was determined with the Taguchi program. The friction and wear behaviors of the coating, an …

Persistent link: https://www.econbiz.de/10008799817

Modular climbing robot for service‐sector applications

Elkmann, N.; Felsch, T.; Sack, M.; Böhme, T.; Hortig, J.; … - In: Industrial Robot: An International Journal 26 (1999) 6, pp. 460-465

façade cleaning, building and ship coating, ship welding, inspection work on tanks, and so on. It is a modular system, and …

Persistent link: https://www.econbiz.de/10014832402

Robotic plasma cladding complex NURBS curve coating using the bisection inverse search bow height control interpolation method

Wang, Zhao-Qin; Shi, Yu; Wang, Xiao-Rong - In: Industrial Robot: the international journal of robotics … 49 (2022) 6, pp. 1133-1143

-splines (NURBS) curve is proposed to accomplish the serial robotic plasma cladding of planar complex curve coating with high …, an offline plasma cladding software is developed for Motoman-UP6. Before plasma cladding, a planar NURBS curve coating is … cladding of the planar NURBS curve coating is implemented based on the Motoman-UP6 serial robot. Findings The simulation and …

Persistent link: https://www.econbiz.de/10014835364

Application of six sigma through deep learning in the production of fasteners

Altuğ, Mehmet - In: International Journal of Lean Six Sigma 14 (2023) 7, pp. 1376-1402

companies in the sector in terms of market share. Possible defects in the coating of bolts and nuts either lead to products … being scrapped or all of the coating process being repeated from beginning to end. In both cases, the enterprise faces a … $21,780. When time savings are also considered, a loss reduction of about $30,000 each year can be achieved. The coating …

Persistent link: https://www.econbiz.de/10014782836