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Abstract

The Charpy impact testing is one of the most important tests to gain knowledge about the behaviour of materials under dynamic loading conditions and to explore the effect of ageing of different metals and alloys. Demonstration of the continuing integrity of reactor pressure vessel (RPVs) requires the prediction of the ductile to brittle transition temperature (DBTT) of the vessel materials. Conventionally, irradiation induced changes in DBTT are monitored by the shifts in the transition behaviour measured in the Charpy impact tests.

The "AMES" (Ageing Materials Evaluation and Studies) European Network operated by the JRC-IAM of the EU started in 1993. Together with ENIQ, NESC, EPERC and HYDANET, AM ES forms the II Structural Integrity of industrial Components" cluster of networks.

Within the frame of AMES, a large number of experimental studies on ageing, both thermal and irradiation induced, and annealing are conducted. Most of the activities are international projects involving several European Member States laboratories and many of the mentioned activities are financed as Shared Cost Actions (SCA) competitive projects by Nuclear Fission Programme of the EU. EU.

Additional information

Authors: BEERS M, JRC-Institute for Advanced Materials, HFR, Petten (NL);DEBARBERIS L, JRC-Institute for Advanced Materials, HFR, Petten (NL);SEVINI F, JRC-Institute for Advanced Materials, HFR, Petten (NL);ACOSTA B, JRC-Institute for Advanced Materials, HFR, Petten (NL);MCGIRL C, JRC-Institute for Advanced Materials, HFR, Petten (NL)
Bibliographic Reference: An oral report given at the: Charpy Centernary Conference. Organised by: SociÚtÚ FranÞaise de MÚtallurgie et de MatÚriaux (SF2M). Held in: Poitiers (FR), 2-5 October 2001
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