2016 Fiscal Year Final Research Report
Development of flexible sports protectors hardening under high speed deformation based on impact biomechanics
| Project/Area Number |
26420010
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (C)
|
| Allocation Type | Multi-year Fund |
|---|
| Section | 一般 |
|---|
| Research Field |
Materials/Mechanics of materials
|
|---|
| Research Institution | Kanazawa University |
|---|
Principal Investigator |
|
|---|
| Project Period (FY) |
2014-04-01 – 2017-03-31
|
| Keywords | 衝撃工学 / 高分子材料 / エポキシ樹脂 / 緩和弾性率 / 時間依存性 / ひずみ速度依存性 |
|---|
| Outline of Final Research Achievements |
In the present study, we develop a flexible sports protector whose outer shell hardens only under impact due. First, a bisphenol A-type epoxide resin with amine-based curing agent is selected as an outer shell for the proposed protector. The strain rate effect of compressive property were controlled by change the compound ratio of the main and curing agents, and the relation between the relaxation modulus and the compound ratio was clarified by the dynamic viscoelasticity measurements. Next, based on the time dependency of the modulus, a prototype of the flexible sports protector was produced. Experiments on the flexibility and impact absorption characteristic of the protector were conducted, and the results suggested the advantages of the proposed protector.
|
| Free Research Field |
材料力学
|
