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51318-11677-Novel Titanium-based Composites: Processing-Microstructure-Corrosion Interrelationships

Lightweight structural composites were processed using a melt approach. Microstructural characterization was conducted using optical and scanning electron microscopy. Phase determination was carried out using X-ray diffraction.

Product Number: 51318-11677-SG
Author: Matthew Veronese, Michael Kloesel, Chase Senninger, Albert Chavando and Vilupanur Ravi
Publication Date: 2018
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Titanium-based composites have the potential to be utilized in a range of applications where mechanical strength and corrosion resistance coupled with low density are advantageous. Lightweight structural composites were processed using a melt approach. The microstructures of these novel materials were related to processing variables including chemistry and solidification parameters. Microstructural characterization was conducted using optical and scanning electron microscopy. Phase determination was carried out using X-ray diffraction. Microstructural analysis and corrosion tests relevant to maritime applications were conducted. The coupons produced with the highest molar ratio of titanium to boron carbide processed at the lowest temperature showed the highest nobility and lowest rate of electron transfer of all the coupons. All coupons produced using this method showed an increase in nobility relative to UNS R50400 titanium.

Key words: titanium, composite, processing, corrosion resistant, microstructure

Titanium-based composites have the potential to be utilized in a range of applications where mechanical strength and corrosion resistance coupled with low density are advantageous. Lightweight structural composites were processed using a melt approach. The microstructures of these novel materials were related to processing variables including chemistry and solidification parameters. Microstructural characterization was conducted using optical and scanning electron microscopy. Phase determination was carried out using X-ray diffraction. Microstructural analysis and corrosion tests relevant to maritime applications were conducted. The coupons produced with the highest molar ratio of titanium to boron carbide processed at the lowest temperature showed the highest nobility and lowest rate of electron transfer of all the coupons. All coupons produced using this method showed an increase in nobility relative to UNS R50400 titanium.

Key words: titanium, composite, processing, corrosion resistant, microstructure

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