Title:
摩擦性能の評価方法
Document Type and Number:
Japanese Patent JP6805908
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for accurately evaluating a friction performance of the vulcanized rubber.SOLUTION: First, a test piece 14 having a first specimen 2 having a first measurement surface 6, a second specimen 4 having a second measurement surface 8, a first thin film 10, a second thin film 12, and a test surface 16 is prepared. The first specimen 2 and the second specimen 4 are made of the vulcanized rubbers of the same compositions. The first thin film 10 and the second thin film 12 are characterized in that the refraction index or the transparency are changed by the load. Next, the first measurement surface 6 is treated for the friction. The first thin film 10 is arranged and loaded between the first measurement surface 6 and the test surface 16 after being treated for the friction. The second thin film 12 is arranged and loaded between the second measurement surface 8 and the test surface 16. Subsequently, the real contact surface S1 per unit area of the first measurement surface 6 and the real contact surface S2 per unit area of the second measurement surface 8 are comparatively calculated from the areas of the change areas of the first thin film 10 and the second thin film 12. Finally, the friction performance of the vulcanized rubber is evaluated as the index of real contact surfaces S1 and S2.SELECTED DRAWING: Figure 3
Inventors:
Satoshi Kawasaki
Application Number:
JP2017046284A
Publication Date:
December 23, 2020
Filing Date:
March 10, 2017
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
G01N19/02; B60C19/00
Domestic Patent References:
| JP2016170138A | ||||
| JP2006103618A | ||||
| JP2006007882A | ||||
| JP4177557B2 |
Foreign References:
| US5641900 |
Attorney, Agent or Firm:
Kengo Oka
Kuroyoshi Murohashi
Hiroshi Kasakawa
Kei Someya
Yukari Imamura
Hiroomi Nakao
Kuroyoshi Murohashi
Hiroshi Kasakawa
Kei Someya
Yukari Imamura
Hiroomi Nakao