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Title: THE COMPRESSIVE CREEP BUCKLING OF METAL COLUMNS. PART 5. CYCLIC LOADING. Period Covered: January 1, 1956 to January 31, 1957

Abstract

The effect of load cycling on the creep buckling behavior of metal columns was determined. Two materials were investigated: 2024-T4 aluminium alloy columns with length to radius of gyration ratios of 81.2 and 55.7 at 350 and 450 deg F; C-119M titanium alloy columns having a length to radius of gyration ratio of 90 at 700 and 800 deg F. The cycling period used was 24 hr, and the time the load was on in that period was the variable. In addition to the cyclic load tests, constant load tests were conducted to was found between the time to creep buckling under constant loadn and the reciprocal of the minimum creep deflection rate. This relationship was used in interpreting the cyclic load test results. The effect of load cycling proved to be dependent up on the properties of the material at the testing temperature. Two criteria, based upon material stabilty characteristics, are set up to help classify the cyclic load data. (auth)

Authors:
; ;
Publication Date:
Research Org.:
Battelle Memorial Inst., Columbus, Ohio
OSTI Identifier:
4305826
Report Number(s):
WADC-TR-52-251(Pt.5); AD-15560
NSA Number:
NSA-12-017196
DOE Contract Number:
AF33(616)-3317
Resource Type:
Technical Report
Resource Relation:
Other Information: Project title: MATERIALS ANALYSIS AND EVALUATION. Task title: DESIGN DATA FOR METALS. Orig. Receipt Date: 31-DEC-58
Country of Publication:
United States
Language:
English
Subject:
MINERALOGY, METALLURGY, AND CERAMICS; ALUMINUM ALLOYS; ALUMINUM BASE ALLOY; BUCKLING; CREEP; DEFLECTION; GUIDANCE; GYROSCOPES; MATERIALS TESTING; MECHANICAL PROPERTIES; METALS; PLANNING; PRESSURE; STABILITY; TEMPERATURE; TITANIUM ALLOYS

Citation Formats

Rudnick, A., Carlson, R.L., and Manning, G.K. THE COMPRESSIVE CREEP BUCKLING OF METAL COLUMNS. PART 5. CYCLIC LOADING. Period Covered: January 1, 1956 to January 31, 1957. United States: N. p., 1957. Web.
Rudnick, A., Carlson, R.L., & Manning, G.K. THE COMPRESSIVE CREEP BUCKLING OF METAL COLUMNS. PART 5. CYCLIC LOADING. Period Covered: January 1, 1956 to January 31, 1957. United States.
Rudnick, A., Carlson, R.L., and Manning, G.K. Fri . "THE COMPRESSIVE CREEP BUCKLING OF METAL COLUMNS. PART 5. CYCLIC LOADING. Period Covered: January 1, 1956 to January 31, 1957". United States. doi:.
@article{osti_4305826,
title = {THE COMPRESSIVE CREEP BUCKLING OF METAL COLUMNS. PART 5. CYCLIC LOADING. Period Covered: January 1, 1956 to January 31, 1957},
author = {Rudnick, A. and Carlson, R.L. and Manning, G.K.},
abstractNote = {The effect of load cycling on the creep buckling behavior of metal columns was determined. Two materials were investigated: 2024-T4 aluminium alloy columns with length to radius of gyration ratios of 81.2 and 55.7 at 350 and 450 deg F; C-119M titanium alloy columns having a length to radius of gyration ratio of 90 at 700 and 800 deg F. The cycling period used was 24 hr, and the time the load was on in that period was the variable. In addition to the cyclic load tests, constant load tests were conducted to was found between the time to creep buckling under constant loadn and the reciprocal of the minimum creep deflection rate. This relationship was used in interpreting the cyclic load test results. The effect of load cycling proved to be dependent up on the properties of the material at the testing temperature. Two criteria, based upon material stabilty characteristics, are set up to help classify the cyclic load data. (auth)},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Mar 15 00:00:00 EST 1957},
month = {Fri Mar 15 00:00:00 EST 1957}
}

Technical Report:
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