Mechanical and Microstructural Properties of Thermally Sprayed Metallic Materials in Compression Tests over a Vast Range of Strain Rates
Artur Wypych, Tomasz Jankowiak, Wojciech Sumelka, Sanichiro Yoshida · 2023
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Description
Artur Wypych and co-authors crushed sprayed metal coatings at speeds from a slow squeeze to a violent hit, in a 2023 study. The coatings, laid down by thermal spraying from a cored wire, serve where surfaces take abuse. Samples faced compression across strain rates spanning a millionfold range, with a split-bar rig for the fastest blows. Microscope checks tracked pores and hardness before and after.
Loading squeezed the pores nearly shut, cutting porosity by about ninety percent in static tests. Hardness jumped as the material compacted, nearly doubling after dynamic hits. The coatings held together throughout, soaking up energy by deforming. The team presents a new coating that densifies under punishment instead of failing.
Catalog record
| CREATOR | Artur Wypych, Tomasz Jankowiak, Wojciech Sumelka, Sanichiro Yoshida |
|---|---|
| YEAR | 2023 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 25 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |