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Development of Fiber Reinforced Titanium Matrix Composite material by Gas Deposition Method

Research Project

Project/Area Number 09650768
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Structural/Functional materials
Research InstitutionKogakuin Univ

Principal Investigator

NIWA Naotake  Kogakuin Univ Department of Mechanical Systems Engineering, Professor, 工学部, 教授 (30011208)

Co-Investigator(Kenkyū-buntansha) SUZUKI Toshiyuki  Kogakuin Univ Department of Mechanical Systems Engineering, Professor, 工学部, 教授 (90206508)
SHIOTA Ichiro  Kogakuin Univ Department of Chemical Engineering, Professor, 工学部, 教授 (90255612)
KISHI Teruo  Tokyo Univ Research Center for Advanced Science and Technology, Professor, 先端科学研究センター, 教授 (40011085)
Project Period (FY) 1997 – 1998
Project Status Completed (Fiscal Year 1998)
Budget Amount *help
¥1,300,000 (Direct Cost: ¥1,300,000)
Fiscal Year 1998: ¥1,300,000 (Direct Cost: ¥1,300,000)
KeywordsFRM / Titanium / Titanium alloy / Structural material
Research Abstract

FRM(Fiber Reinforced Metal) is a candidate to improve the mechanical properties of metallic materials, however, It is difficult to control the reaction between metallic matrix and fibers.
This study aimed to evaluate Gas Deposition Method (GDM) as a practical method to produce titanium matrix FRM.
In GDM, ultrafine particles formed by evaporating materials in inert gas atmosphere move Into high vacuum chamber and deposit to substrate with high deposit rate.
GDM gives high kinetic energy to ultrafine particles and can make thick film with high density. As ft does not have solidification process, it can control the reaction between metallic matrix and fibers.
In 1997, we made study on the effects of heating condition, flow rate of Inert gas and difference of pressure between chambers of evaporation and deposition.
We elucidated the relation between control parameters of the apparatus and deposit rate.
In 1998, we made titanium matrix FRM and evaluated them.
The results of this study are as follows.
1. The cohesion between deposited titanium and titanium substrate Is high.
2. Dispersion of ultrafine particle size becomes small, by Improving the system that exhausts surplus particles.
3. The dispersion of size of ultrafine particle has the effect on the cohesion between deposited metal and fiber.
We conclude that key technology to apply GDM for producing FRM is to control particle size distribution and the deposit system (substrate stage and nozzle) three-dimensionally In high accuracy.

Report

(3 results)
  • 1998 Annual Research Report   Final Research Report Summary
  • 1997 Annual Research Report

URL: 

Published: 1998-04-01   Modified: 2016-04-21  

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