Laser welding of Cu-Al-Be shape memory alloys: Microstructure and mechanical properties
Jp Oliveira,Jp Oliveira,Zhi Zeng,Sophie Berveiller,Denis Bouscaud,F.M. Braz Fernandes,Rosa Maria Mendes Miranda,N. Zhou +7 more
TLDR
In this article, laser welding of single crystal-like Cu-Al-Be shape memory alloys was performed, and the microstructure and tensile properties were evaluated to understand the effect of laser welding on the microstructural and mechanical features of the welded joints.About:
This article is published in Materials & Design.The article was published on 2018-06-15 and is currently open access. It has received 74 citations till now. The article focuses on the topics: Laser beam welding & Welding.read more
Citations
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Processing parameters in laser powder bed fusion metal additive manufacturing
TL;DR: In this article, the effects of major process parameters on build quality (porosity, residual stress, and composition changes) and materials properties (microstructure and microsegregation) are reviewed.
Journal ArticleDOI
Revisiting fundamental welding concepts to improve additive manufacturing: From theory to practice
TL;DR: In this article, a unified equation to compute the energy density is proposed to compare works performed with distinct equipment and experimental conditions, covering the major process parameters: power, travel speed, heat source dimension, hatch distance, deposited layer thickness and material grain size.
Journal ArticleDOI
Microstructure and mechanical properties of gas tungsten arc welded Cu-Al-Mn shape memory alloy rods
João Pedro Oliveira,B. Crispim,Zhi Zeng,Toshihiro Omori,F.M. Braz Fernandes,Rosa Maria Mendes Miranda +5 more
TL;DR: In this paper, large diameter rods of Cu-Al-Mn shape memory alloy were gas tungsten arc welded and the microstructural evolution was studied by electron microscopy techniques and its impact on the mechanical and functional response of the welded joints was assessed.
References
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Physical metallurgy of Ti–Ni-based shape memory alloys
Kazuhiro Otsuka,Xiaobing Ren +1 more
TL;DR: In this article, a selfconsistent and logical account of key issues on Ti-Ni-based alloys from physical metallurgy viewpoint on an up-to-date basis is presented.
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A review of shape memory alloy research, applications and opportunities
TL;DR: Shape memory alloys (SMAs) are a class of shape memory materials (SMMs) which have the ability to "memorise" or retain their previous form when subjected to certain stimulus such as thermomechanical or magnetic variations.
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Laser Material Processing
TL;DR: In this paper, the effect of reflectivity of the surface, when a pure, monochromatic laser (6) is used, is remedied by the simultaneous application of a relatively shorter wavelength beam (1).
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Shape Memory Alloys
T. Tadaki,K. Otsuka,K. Shimizu +2 more
TL;DR: Otsuka et al. as mentioned in this paper showed a one-to-one correspondence between shape memory effect and the thermoelastic martensitic transformation in a Cu-AI-Ni alloy.