نتایج جستجو برای: cr3c2
تعداد نتایج: 154 فیلتر نتایج به سال:
Nickel chromium (NiCr) powders with different titanium diboride (TiB2) additions (20, 40 and 60 wt %) were prepared with a mechanical alloying method and then sprayed using an air plasma spraying technology. The microstructure and phase composite of the powders and the cross-sections of deposited coatings were analyzed with a scanning electronic microscope and X-ray diffraction. The tribologica...
نیاز به موادی با نسبت استحکام به وزن مناسب و در عین حال کارایی بالا منجر به توسعه کامپوزیت زمینه آلومینیومی شده است، اما به دلیل داشتن استحکام پایین و مقاومت به سایش کم آلومینیوم، این زمینه اغلب با ذرات کاربیدی تقویت می شود که دراین تحقیق کاربیدکروم به دلیل در دسترس بودن، سهولت تولید و دیرگدازبودن مورد توجه قرار گرفت. در این تحقیق هدف بررسی تولید نانوکامپوزیت زمینه آلومینیوم با ذرات تقویت کننده...
Deployment of a suspension feedstock has been known to alleviate problems associated with using sub-micron and nanosized powder for thermal spraying monolithic as well powder-suspension ‘hybrid’ composite coatings. However, hybrid never previously used in high-velocity air-fuel (HVAF) spraying. In this work, the very first time, chromium carbide (Cr3C2) co-sprayed along an Inconel-625 (IN-625) ...
To prepare Cr-C alloy layers having high current efficiency, Vickers hardness, and brightness in electrodeposition on commercial cold-rolled steel plate, this study examined additives put into baths. From a Cr2 (SO4)3/(NH4)2SO4 aqueous bath containing oxalic acid CrCl3/highly concentrated CaCl2/H3BO3 glycine, were formed. With the optimized compositions, produced with brightness. The highest ef...
A Cr13Ni5Si2-based composite coating was successfully deposited on copper by pulse laser induction hybrid cladding (PLIC), and its high-temperature wear behavior was investigated. Temperature evolutions associated with crack behaviors in PLIC were analyzed and compared with pulse laser cladding (PLC) using the finite element method. The microstructure and present phases were analyzed using scan...
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