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International Journal of Iron and Steel Society of Iran، جلد ۲، شماره ۲، صفحات ۱۹-۲۳
عنوان فارسی A Study of the Chemical Composition and Heat Treatment of Electroless Ni-B-Tl Alloy Coating on AISI ۳۱۶ Stainless Steel
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عنوان انگلیسی A Study of the Chemical Composition and Heat Treatment of Electroless Ni-B-Tl Alloy Coating on AISI 316 Stainless Steel
چکیده انگلیسی مقاله Despite having some useful properties, stainless steels suffer from lack of suitable surface hardness. In this research electroless Ni-B-Tl coating was used with the aim to increase their surface hardness. The effects of Nickel chloride, Sodium borohydride, Thallium nitrate and Ethylendiamin on the chemical composition of coating were studied. To achieve an increase in hardness, the effects of heat treatment on the hardness of the deposited layer at various temperatures, were also studied. The results showed that the deposition rate and surface hardness of the deposited layer were affected by the variation in concentration of bath components. The micro structure of the electroless Ni-B-Tl coating consists of nickel and super saturated solid solutions. It was also found that the hardness of the coating was increased due to the formation of Ni2B and Ni3B phases during heat treatment.
کلیدواژه‌های انگلیسی مقاله Electroless deposition, Ni-B-Tl coating, Bath composition, Heat treatment
نویسندگان مقاله n پروینی احمدی | parvini ahmadi
materials engineering faculty, sahand university, tabriz, iran

رضاعلی خسروشاهی | r a
materials engineering faculty, sahand university, tabriz, iran

m عبدلی |
materials engineering faculty, sahand university, tabriz, iran

نشانی اینترنتی http://journal.issiran.com/article_4788_235e544af2e7d92f12be9ec236e41293.pdf
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