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The Influence of Supplementary Cementitious Materials on Climate Impact of Concrete Structures Exposed to Chlorides

Sustainability Potential of Concrete and Concrete Structures Considering their Environmental Impact, Performance and Lifetime,” Construction and Building Materials , Vol. 67, 2014, pp 321-337. 4. Racutanu G: The Real Service Life of Swedish Road Bridges - A Case Study, Doctoral thesis. KTH Royal Institute of Technology, 2001. 5. Mattsson HÅ: “Integrated Bridge Maintenance - Evaluation of a pilot project and future perspectives,” Doctoral thesis . KTH Royal Institute of Technology, Dept. of Civil & Architectural Engineering, Stockholm, Sweden, 2008. 6. Safi

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Caracterisation of Titanium Nitride Layers Deposited by Reactive Plasma Spraying

Caracterisation of Titanium Nitride Layers Deposited by Reactive Plasma Spraying

Forming and cutting tools are subjected to the intense wear solicitations. Usually, they are either subject to superficial heat treatments or are covered with various materials with high mechanical properties. In recent years, thermal spraying is used increasingly in engineering area because of the large range of materials that can be used for the coatings. Titanium nitride is a ceramic material with high hardness which is used to cover the cutting tools increasing their lifetime. The paper presents the results obtained after deposition of titanium nitride layers by reactive plasma spraying (RPS). As deposition material was used titanium powder and as substratum was used titanium alloy (Ti6Al4V). Macroscopic and microscopic (scanning electron microscopy) images of the deposited layers and the X ray diffraction of the coatings are presented. Demonstration program with layers deposited with thickness between 68,5 and 81,4 μm has been achieved and presented.

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