The nature of stress-corrosion crack initiation with martensitic stainless steels

Truman, J. E.; Perry, R.T.; Peaker, G. D.

doi:10.1179/000705966798327326

Cited by 5 publications

(4 citation statements)

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“…1+9). 134 Using 15 and 30$ deformed specimens at 380 and 550°C in 1$ NaOH, similar beneficial effects of nickel have been established. It was found that in all cases, except 17-20Cr and 8-11M, inter-or transgranuLar cracking was observed in 2000 hours (Tables XVII and XVIII).…”

Section: Effect Of Alloying Elementsmentioning

confidence: 94%

“…The effect of alloying elements has been studied by SNOWDEN, 132 KA.GAN and MIKHAILOVA, 133 TRUMAN and PERRY, 134 AKOLZIN et al, 135 COPSON and ECONOMY, 136 and CORIOU et al 127 '. 128 The highlights of their investigations are: (i) increased nickel offers greater SCC resistance to the alloy; (ii) the beneficial effect of nickel is quite dependent upon chromium level in the alloy as shown by TRUMAN and PERRY, 134 and (iii) the addition of molybdenum reduced the resistance to cracking.…”

Section: Effect Of Alloying Elementsmentioning

confidence: 99%

“…128 The highlights of their investigations are: (i) increased nickel offers greater SCC resistance to the alloy; (ii) the beneficial effect of nickel is quite dependent upon chromium level in the alloy as shown by TRUMAN and PERRY, 134 and (iii) the addition of molybdenum reduced the resistance to cracking.…”

Section: Effect Of Alloying Elementsmentioning

confidence: 99%

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STRESS CORROSION CRACKING AND GENERAL CORROSION OF IRON, NICKEL, CHROMIUM, AND THEIR ALLOYS IN CAUSTIC SOLUTIONS. Quarterly Report, January 15, 1969--April 15, 1969.

Subrahmanyam¹,

Staehle²

1970

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Section: Effect Of Alloying Elementsmentioning

confidence: 94%

Section: Effect Of Alloying Elementsmentioning

confidence: 99%

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STRESS CORROSION CRACKING AND GENERAL CORROSION OF IRON, NICKEL, CHROMIUM, AND THEIR ALLOYS IN CAUSTIC SOLUTIONS. Quarterly Report, January 15, 1969--April 15, 1969.

Subrahmanyam¹,

Staehle²

1970

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“…Although the effect of chromium on the susceptibility to SCC varies with the amount of nickel, etc., some authors (24) reported that chromium increased the susceptibility more or less in boiling 42% MgCl2 solution and the others (25) said that the susceptibility was highest with ca. 20%Cr.…”

Section: Effects Of Compositionmentioning

confidence: 99%

Effect of Composition on Stress Corrosion Cracking of Austenitic Stainless Steels in Boiling MgCl<SUB>2</SUB> Solutions of Various Concentrations

Kowaka

Kudo

1975

Trans. JIM

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The effect of composition on SCC of austenitic stainless steel has been investigated in various boiling MgCl2 solutions. The stress applied was a constant load of 25kg/mm2. The relation between the boiling point of MgCl2 solution (concentration of MgCl2) and the time to fracture was determined. The results obtained are as follows:(1) Commercial stainless steels show the maximum susceptibility to SCC over a certain concentration range of boiling MgCl2 solutions.(2) The sensitized stainless steel suffers intergranular stress corrosion cracking in low-concentration boiling MgCl2 solutions.(3) Based on a study of the effect of component elements, it is found that the boiling point of MgCl2 for the minimum time to fracture is shifted to lower temperatures in presence of C and Si and to higher temperatures in presence of Mo, N, P, Cr and Cu, while Ni decreases the susceptibility to SCC over the whole temperature range investigated.(4) The time to fracture consisted of the induction time and the propagation time. The mechanism of SCC is also discussed here. (Received September 30, 1974) Although there have been numerous reports on the effect of composition on the stress corrosion cracking of austenitic stainless steels in concentrated chloride solutions, few data on the relations between the effect of composition on SCC and environmental factors are available and the majority of the studies are made in boiling The present report describes the experimental results of the effect of composition on SCC of austenitic stainless steels in various concentrated boiling MgCl2 solutions and the significance of boiling 42% MgCl2 solution as accelerating test medium. MaterialsMaterials were prepared in a high frequency induction furnace as basic 18Cr-10Ni alloy with varying C, Cu, N, P contents and a low Mo content, basic 17Cr-13Ni alloy with varying Si and Mo contents, basic 18Cr alloy with varying Ni content, and basic 10Ni alloy with varying Cr content. As P enhances the susceptibility to SCC in boiling 42% MgCl2 solution(8), the amount of P was adjusted in order to recognize the effects of alloying elements. Specimens were made through series of such processes as forging and hot rolling to 7mm thick plates and cold rolling to 4.9mm thick ones. They were soluquenched and then shaped to tensile test speci-*

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Corrosion—A Literature Review

Stanners¹,

Bonner²,

Drewett³

et al. 1967

British Corrosion Journal

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The nature of stress-corrosion crack initiation with martensitic stainless steels

Cited by 5 publications

References 1 publication

STRESS CORROSION CRACKING AND GENERAL CORROSION OF IRON, NICKEL, CHROMIUM, AND THEIR ALLOYS IN CAUSTIC SOLUTIONS. Quarterly Report, January 15, 1969--April 15, 1969.

STRESS CORROSION CRACKING AND GENERAL CORROSION OF IRON, NICKEL, CHROMIUM, AND THEIR ALLOYS IN CAUSTIC SOLUTIONS. Quarterly Report, January 15, 1969--April 15, 1969.

Effect of Composition on Stress Corrosion Cracking of Austenitic Stainless Steels in Boiling MgCl<SUB>2</SUB> Solutions of Various Concentrations

Corrosion—A Literature Review

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