@article{oai:kansai-u.repo.nii.ac.jp:00011586, author = {山本, 康雄 and 三宅, 秀和 and 岡田, 明}, issue = {12}, journal = {鋳物}, month = {}, note = {Because the pattern made of polystyrene is liable to deform in the molding process and its deformation reflects greatly on the dimension of castings, its deformation is very important problem for the evaporative pattern casting process. The method to accurately measure the occurred deformation by the strain gauge is proposed. It is found with 2.5 inch gate valve pattern that the suitable washing on the pattern markedly decreases the deformation of the pattern and that the dimension of castings without casting practically can be assumed accurately by the pattern dimension on last molding process. Since the pattern is scarcely deformed by vibrating the mold under reduced pressure, it is indicated that the method to vibrate the melt during solidification can be applied to the evaporative pattern casting process under reduced pressure.}, pages = {965--970}, title = {消失模型鋳造法における模型の変形}, volume = {63}, year = {1991} }