Thermo-Mechanical Finite Element Modeling of the Laser Treatment of Titanium Cold-Sprayed Coatings

被引：16

作者：

Rubino, Felice ^{[1
]}

Astarita, Antonello ^{[2
]}

Carlone, Pierpaolo ^{[1
]}

机构：

[1] Univ Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Salerno, Italy

[2] Univ Naples Federico II, Dept Chem Mat & Ind Prod Engn, P Tecchio 80, I-80125 Naples, Italy

来源：

COATINGS | 2018年 / 8卷 / 06期

关键词：

cold spray; titanium; laser surface treatment; thermo-mechanical modeling; THERMAL-OXIDATION; TI; TI-6AL-4V; CORROSION; STRESSES; DEPOSITS; BEHAVIOR; CRACKING; POWDER; LAYERS;

D O I：

10.3390/coatings8060219

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper implements a thermo-mechanical model to simulate the laser treatment effects on a cold-sprayed titanium coating and aluminum substrate. The thermo-mechanical finite element model considers the transient temperature field due to the laser source and applied boundary conditions, using them as input loads for the subsequent stress-strain analysis. Numerical outcomes highlighted the relevance of thermal gradients and the presence of thermally-induced stress-strain fields responsible for promoting damage in the coating.

引用

页数：17

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