Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Physical Properties of Materials Progress Report No 37 September 1963 written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A research program is being conducted on the effects of sodium and contaminants at 1200 and 1100 deg F on the mechanical properties of Type 316 stainless steel and 2 1/4 Cr-- 1 Mo carbon steel, as compared to air and helium. Tests 1 and 2 were completed, and the final creep rates for 316 stainless steel and carbon steel in sodium containing 30 ppm O/sub 2/ are plotted. The shakedown operation phase of Test 3 (stainless steel in high-carbon sodium) is in progress. The results of some fatigue and creeprupture runs in Test 4 (2 1/4 Cr--1 Mo carbon steel in highoxygen sodium) indicate about the same fatigue life as in low- oxygen sodium and helium, and a slightly shorter creep-rupture life. (D.L.C.).
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Physical Properties of Materials Progress Report No 33 May 1963 written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Tests to determine the physical properties of Type 316 stainless steel and 2 1/4 Cr-- 1 Mo steel specimens in low oxide Na, He, and air at 1200 and 1100 deg F, respectively, were completad exept for three Type 316 SS and two CrMo steel creep tests in He, one Type 316 SS creep-torupture test in He, and two pre- exposed Cr-- Mo steel creep-to-rupture tests in air. Metallurgical examination of the specimens generated in three tests is continuing. Preliminary conclusions based on the results are presented. A comparison between the incomplete physical property data and the environment in which the specimens were run indicates that for Type 316 stainless steel at 1200 deg F the creep rates in He and Na are higher than in air and the number of cycles to failure in fatigue is extended by He followed by Na as compared with air. However, at low strains all three environments may show equal life. All other physical properties showed ltttie effect. For 2 1/4 Cr-- 1 Mo steel at 1100 deg F the tensile strength was lower in He than in air and the stress-rupture strength in Na was slightiy lower than for He or air. Pre-exposing the specimens for 4000 hr (in Na) lowered the stress- rupture strength. The creep rate in Na is higher than in air. The number of cycles to failure in fatigue is extended by both He and Na. The effect of He on creep is too prematare for a comparison. It is noted that some of the differences occur in a relatively short time, indicating possible surface effects. Thermodynanics will be used to determine whether the different O/sub 2/ contents of the various environments may affect surface compositions. The determination of the physical properties of 316 SS specimens in 1200 deg F Na saturated with C is planned. The measurement of the physical properties of 2 1/4 Cr-- 1 Mo steel specimens in Na having 200 to 800 ppm sodium oxide is in progress. (auth).
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Physical Properties of Materials Progress Report 32 April 1963 written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Physical Properties of Materials Progress Report No 25 September 1962 written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Results are of a prelimnary nature at this time, but the sodium and air stress-to-rupture tests with 316 stainless steel specimens show excellent agreement indicating no noticeable effect of sodium. The creep tests of 316 stainless steel specimens resulted in higher creep rates in sodium than in air, which may indicate the shape of the creep curve to be differert in sodium than in air. The fatigue tests are not complete but preliminary results indicate Type 318 stainless steel has a longer fatigue life in helium and sodium than in air, especially under lower cyciic strain. The Cr-Mo steel stress rupture results show a slight difference between the air and sodium tests with indications that sodium might be expected to shorten the stress rupture life of 21/4 Cr--1 Mo steel at these high temperatures. Higher creep rates were also experienced in sodium than in air, indicating the possibility of differert shaped creep curves in sodium than in air. The fatigue tests show no difference between sodium and helium tests but both show longer fatigue life than tests in air. (R.J.S.).
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Physical Properties of Materials Progress Report 38 October 1963 written by and published by . This book was released on 1964 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of air, helium, and sodium on the creeprupture and fatigue properties of chromium-- molybdenum steel at 1100 deg F are evaluated. The effects of oxygen and carbon in the sodium loop are analyzed with respect to concentration. (N.W.R.).
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Physical Properties of Materials Progress Report 36 August 1963 written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A research program is being conducted on the effects of reactor grade sodium and contaminants in sodium on Type 316 stainless steel and 2 1/4 Cr- 1 Mo steel. Tensile, creep, stress-to-rupture, and fatigue tests were carried out on specimens in sodium, helium, and air. The results for 318 stainless steel indicate a lower stress for a creep rate of these for 2 1/4 Cr-- 1 Mo steel indicate a lower stress in 1100 deg F sodium and a higher stress in helium than in air for the same creep rate. Higher oxygen contents (300 ppm) in 1100 deg F sodium led to shorter rupture times in stress-torupture tests on 2 1/4 Cr-- 1 Mo steel, but the difference decreases with stress. Creep tests indicate lower creep rates for higher oxygen contents in sodium. (D.L.C.).
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Physical Properties of Materials Progress Report No 34 June 1963 written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Tests 1 and 2, which consisted of the determination of the physical properties of Type 316 ss and 2 1/4 Cr-1 Mo steel specimens in low oxide sodium, helium, and air at 1200 and 1100 deg F respectively, were completed except for several tests in helium. Photomicrographs and discussion of stainless steel fatigue and creep-to-rupture specimens indicate that while massive oxidation products on stainless steel fatigue specimens are not apparent, as in the case of the Cr-Mo specimens, surface attack is thought to reduce fatigue life. Evidence is shown that carburization is greater in short time stressed specimens than in 4000 hour exposed unstressed specimens. Test 3, the determination of the physical properties of stainless steel in 1200 deg F sodium saturated with carbon is in its shakedown stage. Test 4, the measurement of the physical properties of 2 1/4 Cr-1 Mo steel specimens in sodium containing 200 to 300 ppm sodium oxide, is in progress with several of the short time creep-to-rupture tests completed. Very preliminary evaluation of the test to date indicates a lower creep-to- rupture strength and a lower creep rate in this environment compared to sodium with low oxide. (auth).
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Physical Properties of Materials Progress Report No 23 July 1962 written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress attained during July 1962 in the program to determine the effects of 1200 nif- F sodium on the physical properties of stainless steel and Cr--Mo steel is presented. A schematic of the test loop for conducting the fatigue, creep, and stress rupture tests is shown. The operational histories of both test loops are represented graphically. A summary of all tests completed and in progress is included. Stress rupture, creep, and tensile tests in air and helium are being conducted by the University of Michigan. (H.G.G.).
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Part I Physical Properties of Materials Part II Thermal Shock Progress Report No 19 March 1962 written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The nineteenth in a series of progress reports (March 1962) on the status of physical properties study of stainless steel exposed to Na at 1200 nif- F is presented. Results of all the tests performed by the end of this report period (March 1962) for the physical properties of materials program are reported in tabular form. Changes recommended by the AEC Subcommittee are included. (H.G.G.).
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Part I Physical Properties of Materials Part II Thermal Shock Progress Report No 17 January 1962 written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The seventeenth in a series of progress reports concerning the status of the physical property study of stainless steel and 2 1/4 Cr--1 Mo steel exposed to Na at 1200 and 1100 deg F, respectively, is presented. The testing of a type 316 stainless steel specimen in air at 1200 deg F was discontinued after 212,750 cycles for examination of the specimen and review of the data. The Cr--Mo steel specimens were received and testing is scheduled to start in the near future. Loops 1 and 2 for the fatigue, creep, and stress tests in Na are undergoing various testing operations and revisions. (H.G.G.).
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Part I Physical Properties of Materials Part II Thermal Shock Progress Report No 22 June 1962 written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The twenty-second in a series of monthly progress reports on the effects of 1200 nif- F sodium on the physical properties of stainless steel is presented. All test machines at MSAR during June 1962 were in operation. Plots of the stress to rupture data for the Cr--Mo steel and stainless steel specimens are included. The results of some of the tests performed are reported in tabular form. A discussion of the analytical procedures is also included. (H.G.G.).
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Part I Physical Properties of Materials Part II Thermal Shock Progress Report No 6 February 1961 written by and published by . This book was released on 1961 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Equipment and procedures are being developed to study the effects of sodium at 1200 deg F on Croloy and stainless steel. Creep, tensile, stress-to- rupture, and fatigue test programs are discussed. Thermal shock studies planned for dissimilar metal welds between ferritlc steel and steanless steel are described. (M.C.G.).
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Part I Physical Properties of Materials Part II Thermal Shock Progress Report 13 September 1961 written by and published by . This book was released on 1961 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Part I Physical Properties of Materials Part II Thermal Shock Progress Report No 21 May 1962 written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The twenty-first in a series of monthly progress reports on the effects of 1200 nif- F sodium on the physical properties of stainless steel is presented. All test machines at MSAR were in operation during May 1962. Plots of the stress to rupture data and plots for the fatigue tests for the Cr-- Mo steel and stainless steel specimens are included. The results of all tests performed are presented in tabular form. (H.G.G.).
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1965 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Physical Properties of Materials Progress Report 26 October 1962 written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of 1200 F Sodium on Austenitic and Ferritic Steels Physical Properties of Materials Progress Report 28 December 1962 written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
