Results 71 to 80 of about 1,581 (182)

Research progress in elastocaloric refrigeration of NiTi-based shape memory alloys

open access: yesCailiao gongcheng
Elastocaloric refrigeration technology based on shape memory alloys offers high efficiency, energy saving, and environmental protection, making it an ideal alternative to the traditional vapor compression refrigeration technology.
CHEN Weimei   +3 more
doaj   +1 more source

Functional properties of NiTi shape memory alloys and their application development

open access: yesCailiao gongcheng
As a sort of intelligent material, NiTi shape memory alloys (SMAs) are widely used in the fields of aerospace, medical devices and construction due to their functional properties such as excellent superelasticity, shape memory effect and biocompatibility.
YANG Chao   +5 more
doaj   +1 more source

Superelasticity and elastocaloric effect of NiTiNb shape memory alloys over a wide working temperature window

open access: yesJournal of Materials Research and Technology
Solid-state refrigeration based on the elastocaloric effect is a promising alternative to conventional vapor-compression refrigeration technology due to its environmental friendliness and high energy efficiency.
Bailiang Qin   +4 more
doaj   +1 more source

Nickel–titanium alloy porous scaffolds based on a dominant cellular structure manufactured by laser powder bed fusion have satisfactory osteogenic efficacy

open access: yesMaterials Today Bio
Nickel–titanium (NiTi) alloy is a widely utilized medical shape memory alloy (SMA) known for its excellent shape memory effect and superelasticity. Here, laser powder bed fusion (LPBF) technology was employed to fabricate a porous NiTi alloy scaffold ...
Jiaming Lin   +12 more
doaj   +1 more source

Fracture mechanics of pseudoelastic NiTi alloys: review of the research activities carried out at University of Calabria [PDF]

open access: yesFracture and Structural Integrity, 2013
This paper reports a brief review of the research activities on fracture mechanics of nickel-titanium based shape memory alloys carried out at University of Calabria.
E. Sgambitterra   +2 more
doaj  

Study the effects of residual B19' phase on the phase transformation in shape memory NiTi alloys fabricated by laser powder bed fusion

open access: yesJournal of Materials Research and Technology
The shape memory effect of near-equiatomic Ni–Ti shape memory alloys (SMAs) fabricated via laser powder bed fusion (LPBF) is attributed to the diffusionless phase transformation between austenite (B2) and martensite (B19').
Shenyue Zhou   +4 more
doaj   +1 more source

Insight into the cracking mechanism of super-elastic NiTi alloy fabricated by laser powder bed fusion

open access: yesVirtual and Physical Prototyping
Laser powder bed fusion is considered to be an effective method for forming high-precision NiTi alloys. NiTi alloys formed from Ti-rich or low-Ni content NiTi powders as raw materials exhibit shape memory or trained to be superelastic at room temperature.
Kun Li   +9 more
doaj   +1 more source

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