三澤 樹
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炉水環境中における疲労亀裂の 発生・成長挙動に及ぼす温度の影響
著者:
三澤 樹,Tatsuru MISAWA, 北田 孝典,Takanori KITADA, 中村 隆夫,Takao NAKAMURA, 竹田 敏,Satoshi TAKEDA, 釜谷 昌幸,Masayuki KAMAYA
発刊日:
公開日:
キーワードタグ:
Crack Coalescence Crack Initiation Crack Propagation Rate Environment Assisted Fatigue Temperature
三澤 樹,Tatsuru MISAWA, 北田 孝典,Takanori KITADA, 中村 隆夫,Takao NAKAMURA, 竹田 敏,Satoshi TAKEDA, 釜谷 昌幸,Masayuki KAMAYA
発刊日:
公開日:
キーワードタグ:
Crack Coalescence Crack Initiation Crack Propagation Rate Environment Assisted Fatigue Temperature
It has been clarified that the fatigue life is reduced in the fatigue test of high-temperature and high-pressure water that simulates PWR reactor coolant environment compared to that in the tmosphere, and temperature, strain rate，etc. affect the decrease of fatigue life. In this study, the influence of crack growth behavior on fatigue life of SUS316 in simulated PWR reactor coolant environment of different temperature was investigated. Fatigue tests were conducted under different temperatures (325℃ and 200℃...
英字タイトル:
Influence of Temperature on the Fatigue Crack Initiation and Growth in Reactor Coolant Environment
英字タイトル:
Influence of Temperature on the Fatigue Crack Initiation and Growth in Reactor Coolant Environment
第16回
疲労き裂の発生・成長挙動に与える炉水環境中での温度の影響について
著者:
三澤 樹,北田 孝典,竹田 敏,中村 隆夫,（大阪大）,釜谷 昌幸,（INSS）
発刊日:
公開日:
キーワードタグ:
Crack coalescence Crack growth Crack initiation Environmental effect Fatigue crack Temperature
三澤 樹,北田 孝典,竹田 敏,中村 隆夫,（大阪大）,釜谷 昌幸,（INSS）
発刊日:
公開日:
キーワードタグ:
Crack coalescence Crack growth Crack initiation Environmental effect Fatigue crack Temperature
The fatigue tests were conducted under different temperature (325℃ and 200℃) in simulated PWR reactor coolant condition with interrupting tests and replica-observation. By observing fatigue crack on the specimen surface, the effect of temperature on crack initiation and growth were studied. From the results of the fatigue tests, the followings were confirmed;
・The number of cycles that fatigue cracks initiate is almost the same in different temperature. On the other hand, the number of cracks that initiate ...
英字タイトル:
Influence of Temperature on the Fatigue Crack Initiation and Growth in Reactor Coolant Environment
英字タイトル:
Influence of Temperature on the Fatigue Crack Initiation and Growth in Reactor Coolant Environment