Texture and Creep Anisotropy in Zirconium AlloysMaterials Science Forum - Tập 539-543 - Trang 3377-3382
Indrajit Charit, K.L. Murty
Zirconium (Zr) alloys are best known for their use in nuclear reactor applications. A
hexagonally close-packed structure with a low c/a ratio and very limited slip systems leads to strong
textures in these alloys during fabrication processes. These alloys are used in cladding applications
for encapsulating fuel pellets, and undergo various stress conditions in-service. Hence, it is
necessa...... hiện toàn bộ
Microstructural Characterization of Equiatomic NiTi Alloy Prepared by High Energy MillingMaterials Science Forum - Tập 530-531 - Trang 53-58
Maria do Carmo Silva, Ana Cris R. Veloso, Rodinei Medeiros Gomes, Severino Jackson Guedes de Lima, Tadeu Antônio de Azevedo Melo, Francisco Ambrózio Filho
NiTi alloys with equiatomic composition of NiTi have the highest technological
interest for its potencial application in differents areas such as biomedical, naval, aerospace,
nuclear, automobilist , robotic,etc. In this work , it was used a 50Ni50Ti at % powder mixture,
comercially pure, prepared by mechanical alloying in a Attritor with the following conditions:
the milling speed and the...... hiện toàn bộ
Prediction of Cutting Forces during Turning PA66 GF-30 Glass Fiber Reinforced Polyamide by Soft Computing TechniquesMaterials Science Forum - Tập 766 - Trang 37-58
Nikolaos A. Fountas, Ioannis Ntziantzias, John D. Kechagias, Aggelos Koutsomichalis, J. Paulo Davim, Nikolaos M. Vaxevanidis
In the present paper the influence of the main cutting parameters on process performance during longitudinal turning of PA66 GF-30 Glass Fiber Reinforced Polyamide is investigated. The selected cutting parameters are cutting speed and feed-rate whilst depth of cut is kept constant. As outputs (responses), cutting force components Ft... hiện toàn bộ
Failure Pressure Estimations for Corroded PipelinesMaterials Science Forum - Tập 758 - Trang 65-76
Matherson L. da Silva, H.S. da Costa Mattos
The goal of the present paper is to propose a simple methodology to estimate the failure pressure of thin-walled metallic pipelines with arbitrary localized corrosion damage. This methodology is conceived as a preliminary tool for a quick analysis of the structural integrity of real corroded pipelines. Due to the different possible geometries of the corroded region, the exact analysis of t...... hiện toàn bộ
Oxidation of Fe-Al Alloys (5-40 at.% Al) at 700 and 900 °CMaterials Science Forum - Tập 879 - Trang 1245-1250
Michael Marx, Martin Palm
Fe-Al alloys with Al contents between 5 and 40 at.% Al were oxidised for 1000 h in synthetic air at 700 and 900 °C to determine their oxidation behaviour. The minimum Al content which is necessary for the formation of protective Al2O3 scales decreases with increasing temperature from about 17 at.% Al at 700 °C to about 12 at.% Al at 900 °C. Establi...... hiện toàn bộ