کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1611034 | 1516291 | 2014 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Fabrication and superior ductility of laminated Ti-TiBw/Ti composites by diffusion welding
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Two novel laminated Ti-TiBw/Ti composites, consisting of pure Ti layers with different thicknesses of 200 μm and 400 μm and TiB whisker reinforced Ti (TiBw/Ti) composite layers with a constant thickness of 200 μm, were successfully fabricated by diffusion welding. Herein, the individual thickness of the two layers can be controlled accurately through raw Ti sheets and TiBw/Ti composite sheets. The two prepared laminated composites exhibit higher ultimate tensile strength (625 MPa and 569 MPa, respectively) and higher elongations (19.0% and 27.5%, respectively) compared with pure Ti material (546 MPa, 17.5%). The superior ductility is mainly attributed to the necking delaying effect and delamination shielding effect. Fracture characteristics show that many tunnel cracks were formed in TiBw/Ti composite layer and shear bands were presented in the pure Ti layer. Moreover, interfacial delamination was formed between Ti layer and TiBw/Ti composite layer interface, which is beneficial to toughen the laminated composites.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 602, 25 July 2014, Pages 187-192
Journal: Journal of Alloys and Compounds - Volume 602, 25 July 2014, Pages 187-192
نویسندگان
B.X. Liu, L.J. Huang, L. Geng, B. Wang, C. Liu, W.C. Zhang,