@article{oai:kanazawa-u.repo.nii.ac.jp:00043669,
 author = {Furumoto, Tatsuaki and Yassin, Abdullah and Tukamoto, Takashi and Ueda, Takashi and Hosokawa, Akira and Tanaka, Ryutaro and Abe, Satoshi and 古本, 達明 and Abdullah, Yassin and 塚本, 卓 and 上田, 隆司 and 細川, 晃 and 田中, 隆太郎 and 阿部, 諭},
 issue = {I67},
 journal = {精密工学会学術講演会講演論文集, 2007 JSPE Spring Meeting},
 month = {},
 note = {A simple measurement method of a thermal conductivity in fine metal powder for rapid prototyping is proposed. When the heating time to the metal powder t is short enough compared with the time until the metal powder reaches the maximum temperature T (t/T<0.1), and the measurement depth from a surface Z is longer than the diameter of the heat source a (Z/a>1.23), it is shown that the thermal conductivity of a metal powder can be calculated precisely by measuring the time that the temperature reaches the maximum value. As work materials, SCM powder and copper powder are used. As a result, the thermal conductivity of a metal powder and a sintered material are quite small compared with that of a metal, and the materials, the shapes and the diameter of a metal powder have little influence on the thermal conductivity. 金属粉末をレーザ焼結するとき,レーザ光の吸収特性や生じた熱の伝導特性を知ることが重要となる.本研究では,粉末表面に照射したレーザ光で生じた熱が,粉末内部の一定距離離れた位置まで伝導する時間を測定することで,簡易的に粉末の熱伝導率を導出する手法を提案している.また,同手法で金属粉末の材質,粒径,形状の違いによる熱伝導率の変化を調べると共に,レーザ焼結した材料の焼結条件と熱伝導特性について調べている., 出版者照会後に全文公開, 金沢大学理工研究域機械工学系},
 pages = {841--842},
 title = {積層造形用材料の各種物性測定に関する研究: 金属粉末およびレーザ焼結材の熱伝導率},
 volume = {2007 Spring},
 year = {2007}
}