Basic study on the strength of functionally graded material taking into consideration of micro-structure

• Project/Area Number: 19560085
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Materials/Mechanics of materials
• Research Institution: Shizuoka University
• Principal Investigator: NODA Naotake (2009) Shizuoka University, 工学部, 教授 (22002238); 野田 直剛 Shizuoka University, 工学部, 教授 (20022238)
• Co-Investigator(Kenkyū-buntansha): ISHIHARA Masayuki 大阪府立大学, 大学院・工学研究科, 准教授 (60283339)
• Project Period (FY): 2007 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000); Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
• Keywords: 連続体力学 / 傾斜機能材料 / 熱応力 / 微視構造 / 破壊力学

Research Abstract

傾斜機能材料の信頼性と安全性の確保を目的に、微視構造を考慮した傾斜機能材料の強度に関する基礎的研究を実施した。研究成果は、局所的傾斜組成を有する傾斜機能材料の強度に関する解析的手法を提案したこと。微視構造を考慮した傾斜機能材料強度に関する解析的研究では、傾斜機能組成変化方向が境界線と傾いている平板の解析に成功したこと。数値解析手法に関する研究では、均質化法により物性値の評価を行い、良い結果を得たこと。

Research Products

• [Journal Article] The effect of oblique functional gradation to transient thermal stresses in the functionally graded infinite strip (2010)
  • Author(s): M. Ohmichi, N. Noda
  • Journal Title: Acta Mechanica (to be published)
• [Journal Article] The effect of oblique functional gradation to transient thermal stresses in the functionally graded infinite strip (2010)
  • Author(s): M.Ohmichi, N.Noda
  • Journal Title: Acta Mechanica (掲載決定)
  • Peer Reviewed
• [Journal Article] Fracture Mechanics Analysis of Functionally Graded Layered Structures with a Crack Crossing the Interface (2008)
  • Author(s): L.C. Guo, N. Noda
  • Journal Title: Mechanics of Materials Vol.40,No.3 Pages: 81-99
• [Journal Article] Thermal Fracture Model for a Functionally Graded Plate with a Crack Normal to the surface and arbitrary Thermomechanical properties (2008)
  • Author(s): L.C. Guo, N. Noda, L. Wu
  • Journal Title: Composites Science and Technology Vol.68,No.3-4 Pages: 1034-1041
• [Journal Article] The Effect of Oblique Functional Gradation to Thermal Stresses in the Functionally Graded Infinite Strip (2008)
  • Author(s): M. Ohmichi, N. Noda
  • Journal Title: Acta Mechanica Vol.196,No.3/4 Pages: 219-237
• [Journal Article] Numerical Evaluation of the Thermomechanical Effective Properties of a Functionally Graded Material using the Homogenization Method (2008)
  • Author(s): Y. Shabana, N. Noda
  • Journal Title: Int. J. Solids and Structures vol.45,No.11-12 Pages: 3494-3506
• [Journal Article] The Effect of Oblique Functional Gradation to Thermal Stresses in the Functionally Graded Infinite Strip (2008)
  • Author(s): M. Ohmichi, N. Noda
  • Journal Title: Acta Mechanica Vol. 196, No. 3/4 Pages: 219-237
  • Peer Reviewed
• [Journal Article] Numerical Evaluation of the Thermomechanical Effective Properties of a Functionally Graded Material- using the Homogenization Method (2008)
  • Author(s): Y. Shabana, N. Noda
  • Journal Title: Int. J. Solids and Structures vol. 45 No11-12 Pages: 3494-3506
  • Peer Reviewed
• [Journal Article] Fracture Mechanics Analysis of Functionally Graded Layered Structures with a Crack Crossing the Interface (2008)
  • Author(s): L. C. Guo, N. Noda
  • Journal Title: Mechanics of Materials Vol. 40, No. 3 Pages: 81-99
  • Peer Reviewed
• [Journal Article] Plane thermoelastic problem in a functionally graded plate with an oblique boundary to the functional graded direction (2007)
  • Author(s): M. Ohmichi, N. Noda
  • Journal Title: Journal of Thermal Stresses Vol.30,No.8 Pages: 779-799
• [Journal Article] Modeling Method for a Crack problem of Functionally Graded Materials with Arbitrary Properties-Piecewise-exponential Model (2007)
  • Author(s): L.C. Guo, N. Noda
  • Journal Title: Int J. Solid and Structures Vol.44,No.21 Pages: 6768-6790
• [Journal Article] Two dimensional heat conduction problem in a functionally graded plate with an oblique boundary to the functional gradation (2007)
  • Author(s): M.Ohmichi and N.Noda
  • Journal Title: Journal of Thermal Stresses 30-7 Pages: 715-730
  • Peer Reviewed
• [Journal Article] Plane thermoelastic problem in a functionally graded plate with an oblique boundary to the functional graded direction (2007)
  • Author(s): M.Ohmichi and N.Noda
  • Journal Title: Journal of Thermal Stresses 30-8 Pages: 779-799
  • Peer Reviewed
• [Journal Article] Thermal Stresses in the Semi-Infinite Body with an Oblique Boundary to the Functionally Graded Direction, (2007)
  • Author(s): M.Ohmichi and N.Noda
  • Journal Title: Journal of Solid Mechanics and Materials Engineering 1-10 Pages: 1238-1250
  • NAID: 130000075911
  • Peer Reviewed
• [Presentation] Thermal Shock Solution of a Functionally Graded plate with Arbitrary Thermaomechanical Properties and a Surface Crack (2008)
  • Author(s): L. C. Guo, N. Noda
  • Organizer: 22th International Congress on Theoretical and Applied Mechanics
  • Place of Presentation: Adelaide, Australia
  • Year and Date: 2008-08-26
• [Presentation] Thermal Shock Solution of a Functionally Graded plate with Arbitrary Thermaomechanical Properties and a Surface Crack (2008)
  • Author(s): Licheng Guo, N. Noda
  • Organizer: 22th International Congress on Theoretical and Applied Mechanics, Adelaide, Australia
  • Place of Presentation: Adelaide, Australia
• [Presentation] Transient Thermal stresses in the semi-infinite body (2008)
  • Author(s): M. Ohmichi, N. Noda
  • Organizer: Asian Conference on Mechanics of Functional Materials and Structures
  • Place of Presentation: Matsue, Japan
• [Presentation] Thermoelastic problem in the Functionally Graded Strip with the Obli que Boundary to the Functionally Gradation (2007)
  • Author(s): N.Noda
  • Organizer: The 7th International Congresson Thermal Stresses
  • Place of Presentation: 台湾、台北
  • Year and Date: 2007-06-05