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Ioka, Ikuo; Kuriki, Yoshiro*; Iwatsuki, Jin; Kubo, Shinji; Inagaki, Yoshiyuki
no journal, ,
IS process is composed of the Bunsen reaction, thermal decomposition of hydrogen iodide and thermal decomposition of sulfuric acid. By carrying out three reactions sequentially, water can be decomposed into hydrogen and oxygen. Evaluation of materials for the sulfuric acid decomposition has revealed that high silicon alloys have excellent corrosion resistance. The material is brittle, so it's difficult to use them independently as structural materials. So, we have developed a hybrid material with the corrosion-resistant and the ductility. In this work, the hybrid material was made by the plasma spraying and laser treatment. Corrosion tests on the hybrid material were carried out. The evaluation that paid attention to cracks of the surface layer was performed using OM and SEM/EDX. The surface of the hybrid material showed corrosion resistance in boiling 47% sulfuric acid though some cracks were observed in the surface layer from the cross section observation.
Segawa, Tomoomi; Kawaguchi, Koichi; Ishii, Katsunori; Makino, Takayoshi
no journal, ,
As a feasibility investigation of a glove with self-healing function, prototype tests of hybrid laminate materials and hybrid mixed materials consisting of self-healing elastomers and materials for gloves and vinyl bags used in glove boxes were examined. In the prototype test of the hybrid laminate material, swelling of Hypalon rubber and a tendency for Hypalon rubber to repel monomers were observed. Therefore, the Hypalon rubber was fixed to a metal plate and the thickness of the monomer application was increased, and sheet-like laminates were obtained with both Hypalon rubber and polyvinyl chloride. In a prototype test of the hybrid mixed material, it was verified that the mixed material was cured by UV irradiation, and sheet-like mixed materials consisting of Hypalon rubber and self-healing elastomers were successfully produced. As a result of the test, it was found that it was possible to fabricate sheet-like samples of both materials.