After which I’ll likely go out and buy my own for future use. Once this review is done, I’ll get it boxed back up and sent back to them. Note that for this review I’m using a media loaner from Garmin. I’ll also sprinkle some of her thoughts throughout the review from her usage as well. So I’ve got a pretty good feel on how well the Venu 2 works, and where its quirks are. While my wife uses the Venu 2S on her workouts and 24×7. I’ve been using the Venu 2 for a number of weeks now 24×7, as well as on all my recent workouts. A new generation optical heart rate sensor also brings with it infrared sensors for increased PulseOx accuracy. A new integrated processor and GPU increase graphic power, making it the first watch to support Garmin’s Connect IQ 4.0 app platform – as well as a significantly revamped user interface that feels a bit more modern and polished. Under the covers though are arguably some of the biggest changes. The Venu 2 series sports two sizes now (45mm and 40mm), as well as a slew of updated health and sports features. Based on model predictions and experimental calibrations, Nitinol samples with a relative density of more than 99% were successfully fabricated.Today Garmin announced the new Venu 2 & Venu 2S watches, the AMOLED display successors to the original Garmin Venu watch. Moreover, the crack formation phenomena were experimentally analysed, which showed that a low linear energy density ( E l) should be chosen to avoid cracks in the optimized process windows. Experimental validation has demonstrated that this method can provide an accurate estimation and guide manufacturability of defect-free Nitinol alloys.
In this study, analytical models predicting melt pool dimensions and defect formation criteria were synergistically used to develop processing maps demonstrating boundary conditions for the formation of such defects, as balling, keyhole-induced pores, and lack of fusion.
Avoidance of defects during L-PBF is crucial for the production of high quality Nitinol parts. Nitinol (NiTi) shape memory alloys fabricated by Laser Powder Bed Fusion ( L-PBF) Additive Manufacturing (AM) have attracted much attention in recent years, as compared with conventional manufacturing processes it allows to produce Nitinol parts with high design complexity.
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