The effect of phosphorus on creep in copper

Sandström, Rolf; Andersson, Henrik

doi:10.1016/j.jnucmat.2007.02.004

Cited by 45 publications

(21 citation statements)

References 18 publications

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“…Phosphorus in solid solution dramatically increases the creep strength of pure copper. This effect has successfully been explained in [5]. The basic assumption in these two papers is that atmospheres of minor elements are formed around the dislocations and follow their motion.…”

Section: Solid Solution Hardeningmentioning

confidence: 88%

Basic creep models for 25Cr20NiNbN austenitic stainless steels

Sandström¹,

Farooq²,

Żurek

2013

Materials Research Innovations

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Basic models for solid solution and precipitation hardening during creep are presented for the austenitic stainless steels 25Cr20NiNbN (TP310HNbN, HR3C, DMV310N). The solid solution hardening is a result of the formation of Cottrell clouds of solutes around the dislocations. In addition to slowing down the creep, the solutes increase the activation energy for creep. The increase in activation energy corresponds to the maximum binding energy between the solutes and the dislocations. The formation of fine niobium nitrides during service enhances the creep strength. It is found that the nitrides have an exponential size distribution. In the modelling the critical event is the time it takes for a dislocation to climb over a particle. The creep models can accurately describe the observed time and temperature of the creep rupture strength.

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Section: Solid Solution Hardeningmentioning

confidence: 88%

Basic creep models for 25Cr20NiNbN austenitic stainless steels

Sandström¹,

Farooq²,

Żurek

2013

Materials Research Innovations

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“…(i) The reason for glide control is considered to be strong solid solution hardening. However, the effect of solid solution hardening is almost equally strong for climb [28,32]. In addition, the glide rate is always faster than the climb rates according to Eqs.…”

Section: Creep Recovery Theorymentioning

confidence: 93%

“…This should be due to a larger effect of solid solution hardening on gliding than on climbing dislocations. This is difficult to understand, since solid solution hardening has about the same effect for both mechanisms [32]. In addition, why there should be transitions in mechanism at low and high stresses is not obvious.…”

Section: Solid Solutionmentioning

confidence: 99%

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Fundamental Models for the Creep of Metals

Sandström¹

2018

Creep

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“…Two forms of copper were used: highly pure oxygen free copper C10100, (Alpha Aesar) and a similar oxygen free grade, ('SKB copper', doped with nominally 30-100 ppm phosphorus, for improved creep ductility, and for which extensive research exists 11 ).…”

Section: Wrought Copper Assessmentmentioning

confidence: 99%

Design and development of copper coatings for long term storage of used nuclear fuel

Keech

Ramamurthy

et al. 2014

Corrosion Engineering, Science and Technology

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Within ongoing work, Canada's Nuclear Waste Management Organization (NWMO) is demonstrating that copper coatings can be developed as viable corrosion barriers for used fuel nuclear containers, emplaced in a deep geological repository. As a means of assessing container design and feasibility, coated samples, manufactured via cold spray and electrodeposition have been produced and characterised. Corrosion testing for coated samples and wrought samples reveals that cold spray samples behave similar to wrought samples in 3 mol L 21NaCl solution at room temperature. When oxygen is absent, corrosion has not been observed.

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The effect of phosphorus on creep in copper

Cited by 45 publications

References 18 publications

Basic creep models for 25Cr20NiNbN austenitic stainless steels

Basic creep models for 25Cr20NiNbN austenitic stainless steels

Fundamental Models for the Creep of Metals

Design and development of copper coatings for long term storage of used nuclear fuel

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