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Title:
DURABILITY EVALUATION METHOD
Document Type and Number:
Japanese Patent JP2017181293
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a durability evaluation method which can appropriately evaluate whether or not a fiber-reinforced resin rotary part used by being rotationally driven under temperature variable water can sustain for a prolonged usage.SOLUTION: A warming and cooling cycle C includes a high temperature immersion process A1 in which a test piece T1 of a rotary part R of a fiber-reinforced resin rotary part used by being rotationally driven under temperature variable water is immersed in high temperature water HW, and a low temperature immersion process A3 in which the test piece T1 is immersed in low temperature water LW. The warming and cooling cycle C is carried out multiple times N.SELECTED DRAWING: Figure 4

Inventors:
IWASAKI SHINTARO
HIGUCHI HIROSHI
Application Number:
JP2016068602A
Publication Date:
October 05, 2017
Filing Date:
March 30, 2016
Export Citation:
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Assignee:
OSAKA GAS CO LTD
International Classes:
G01N19/00; G01N25/00
Attorney, Agent or Firm:
Patent business corporation r&c