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Apple iPhone 12 mini review: Design, build, handling, mini iphone

Mini iphone, Apple iPhone 12 mini review: Design, build, handling - viewngr.com ....

Phone Cases , Max Review , Technical Guide ,

iPhone 12 - Technical Specifications, phone 12

Phone 12, iPhone 12 - Technical Specifications - viewngr.com ....

Technical Guide , Phone Tech Specs ,

Ecuador moves to boost sustainability of shrimp larvae production – ICSF

Ecuador moves to boost sustainability of shrimp larvae production – ICSF
icsf.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from icsf.net Daily Mail and Mail on Sunday newspapers.

United States , Antonio Camposano , Xavier Valdez , Aquaexpo Santa Elena , Pamela Nath , Sustainable Shrimp Partnership , Ecuador National Aquaculture Chamber , Scale Up Program For Shrimp Hatcheries , National Aquaculture Chamber , Technical Guide , Shrimp Hatcheries , President Jos , Inve Aquaculture , Expo North America ,

High fatigue resistance in a titanium alloy via near-void-free 3D printing

The advantage of 3D printing—that is, additive manufacturing (AM) of structural materials—has been severely compromised by their disappointing fatigue properties1,2. Commonly, poor fatigue properties appear to result from the presence of microvoids induced by current printing process procedures3,4. Accordingly, the question that we pose is whether the elimination of such microvoids can provide a feasible solution for marked enhancement of the fatigue resistance of void-free AM (Net-AM) alloys. Here we successfully rebuild an approximate void-free AM microstructure in Ti-6Al-4V titanium alloy by development of a Net-AM processing technique through an understanding of the asynchronism of phase transformation and grain growth. We identify the fatigue resistance of such AM microstructures and show that they lead to a high fatigue limit of around 1 GPa, exceeding the fatigue resistance of all AM and forged titanium alloys as well as that of other metallic materials. We con ....

Mater Sci , Technical Guide , Alloys Compd , Beta Processed , Beta Heat Treated Titanium Alloys , Selective Laser ,