کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8027444 | 1517621 | 2014 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Improved metal cutting performance with bias-modulated textured Ti0.50Al0.50N multilayers
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
In this work we present the cutting performance of Ti0.50Al0.50N coatings which have been deposited with both a fixed and an alternating bias of â 35 V and â 70 V together with a Ti0.33Al0.67N reference coating grown at â 35 V. During deposition of the bias-layered coatings, the bias was instantaneously changed with four different bias-layer periods ranging from approximately 250 to 1500 nm. For the layers deposited with a fixed bias, a transition from a (100) to a (111) preferred orientation was observed with the change in bias from â 35 V to â 70 V. The coatings grown with an alternating bias, however, show a (111) preferred orientation with an intensity that slightly depends on bias-layer period. Metal cutting tests were performed in 100Cr6 steel with a cutting speed of 200 m/min, a feed of 0.2 mm/rev and a depth of cut of 2 mm. The wear resistance was quantified in terms of crater and flank wear resistance showing an improvement for all bias-layered coatings. This is attributed to a (111) oriented refined grain structure in combination with low residual stresses in the coating.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Surface and Coatings Technology - Volume 257, 25 October 2014, Pages 102-107
Journal: Surface and Coatings Technology - Volume 257, 25 October 2014, Pages 102-107
نویسندگان
N. Norrby, M.P. Johansson-Jõesaar, M. Odén,