Influence of residual stresses on hydrogen embrittlement of cold drawn wires

被引：15

作者：

Elices, M. ^{[1
]}

Ruiz, J. ^{[1
]}

Atienza, J.M. ^{[1
]}

机构：

[1] Univ. Politécnica de Madrid, Depto. de Ciencia de Materiales, E.T.S.I. Caminos, E- 28040 - Madrid, Profesor Aranguren s/n

来源：

Materials and Structures/Materiaux et Constructions | 2004年 / 37卷 / 269期

关键词：

Finite element simulation - Stress levels - Stress threshold - Surface quality;

D O I：

10.1617/14028

中图分类号：

学科分类号：

摘要：

The purpose of this paper is to investigate the influence of residual stresses, due to cold-drawing, on the hydrogen embrittlement susceptibility of pearlitic wires used for prestressing concrete. Surface residual stresses were measured by X-ray diffraction and a 3D finite element model was used to simulate the drawing process. Hydrogen susceptibility was evaluated through rupture times in NH4SCN tests. The presence of residual stresses may help in explaining the scatter in times to rupture, the disappearance of a stress threshold, the differences in times to rupture of steel wires with the same microstructure, surface quality and mechanical properties, or the saturation in rupture time above certain values of the testing load.

引用

页码：305 / 310

页数：5

共 18 条

[1]

Cases of damage to corrosion of prestressing steel, Netherlands Committee for Concrete Research, Report no 49, 49, (1971)

[2]

Phillips E., Survey of corrosion of prestressing concrete water-retaining structures, Australian Water Resources Council, Paper no 9, 9, (1975)

[3]

Nurnberger U., Research: Road Construction and Its Techniques, 308, pp. 1-195, (1981)

[4]

Bijl C., Lamers L., Wind G., Stress corrosion of prestressing steel, FIP Symposium, (1971)

[5]

Blekkenhorst F., Lamers L., Wind G., Stress corrosion of prestressing steel, FIP Symposium, (1973)

[6]

Elices M., Sanchez-Galvez V., Stress corrosion of prestressing steel, FIP Symposium, (1981)

[7]

Enos D.G., Scully J.R., A critical-strain criterion for hydrogen embrittlement of cold-drawn, ultrafine pearlitic steel, Metallurgical and Materials Transactions A, 33, pp. 1151-1166, (2002)

[8]

Stress corrosion cracking resistence test for prestressing tendons, Technical Report no5, 5, (1978)

[9]

Parkins R.N., Elices M., Sanchez-Galvez V., Some comments on the standardization of test methods for prestressing steel, Stress Corrosion of Prestressing Steel, (1981)

[10]

Elices M., Sanchez-Galvez V., Bernstein I., Parkins R.N., Summary of a meeting of stress corrosion cracking and hydrogen embrittlement of steels for prestressing concrete, Hydrogen Problems in Steel, pp. 304-307, (1982)

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