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  • 1
    Electronic Resource
    Electronic Resource
    An assessment of instrumental parameters which control the accuracy of stress measurement using the X-ray diffractometer method (1981)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 14 (1981), S. 124-130 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: The sources of systematic error in the X-ray diffractometer method of stress measurement are discussed. The errors in stress measurement and correction procedures for their elimination are described and quantitatively assessed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S002188988100890X
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  • 2
    Electronic Resource
    Electronic Resource
    A re-assessment of the monotectoid loop (β-Nb+β-Zr) in the niobium–zirconium system (1972)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 5 (1972), S. 423-425 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: The shape of the two phase, β-Nb + β-Zr, monotectoid loop in the niobium–zirconium phase diagram has been re-investigated by X-ray analysis for alloys with controlled content of interstitial impurities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889872010076
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  • 3
    Electronic Resource
    Electronic Resource
    A theoretical consideration of the influence of surface profile on the measurement of stress using the X-ray diffraction method (1981)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 14 (1981), S. 321-325 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: The measurement of stress on machined surfaces using the X-ray diffraction method is discussed. The influence of surface profile on the diffracted peak position is evaluated and considered with respect to its effect on the accuracy of stress measurement.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889881009461
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  • 4
    Electronic Resource
    Electronic Resource
    The limit of detection of amosite in two forms of calcium silicate matrix (1977)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 10 (1977), S. 397-400 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Preparation procedures are examined by which the length of amosite fibres may be reduced so that preferred orientation is removed thereby providing samples suitable for quantitative X-ray diffraction analysis. Grinding in methyl alcohol produced samples from which X-ray diffraction gave major peak intensities reproducible to within ±2%. X-ray analysis has been carried out on samples of either calcium silicate powder or a lagging material which consists largely of a calcium silicate matrix reinforced with rockwool fibres which contain known additions (≤ 10 wt %) of amosite. The limits of detectability of amosite in both of these matrix materials, based on three diffraction peaks 110; 060:310; 240, have been established. It is concluded that for a mixture of amosite in calcium silicate powder, the limit of detectability is 0.4± 0.1 wt % and for amosite in lagging material, the limit of detectability is 0.2± 0.1 wt %. These are discussed in terms of differences in the physical distribution of the matrix materials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889877013831
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  • 5
    Electronic Resource
    Electronic Resource
    Irradiation-enhanced solute diffusion in alloys (1997)
    Springer
    Journal of materials science 16 (1997), S. 1191-1194 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Abstracts are not published in this journal
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018569312483
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  • 6
    Electronic Resource
    Electronic Resource
    Microstructural changes which occur during isochronal heat treatment of the nickel-base superalloy IN-738 (1978)
    Springer
    Journal of materials science 13 (1978), S. 367-376 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The microstructure of the cast superalloy IN-738 has been analysed after isochronal heat treatments (16 h) within the temperature range 773 to 1467 K. The effect of such heat treatments on the morphology, distribution and volume fraction of bothγ′ and carbide precipitates has been established and correlated with changes in the hardness. These measured hardness changes are discussed in relation to the contributions ofγ′ precipitation hardening and matrix solid solution hardening.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00647782
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  • 7
    Electronic Resource
    Electronic Resource
    Evaluation of a miniaturized disc test for establishing the mechanical properties of low-alloy ferritic steels (1995)
    Springer
    Journal of materials science 30 (1995), S. 2936-2943 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A miniaturized disc test has been used to measure load-displacement curves for a 2 1/4Cr1Mo steel, from which are derived values for the Young's modulus of elasticity, yield stress and ultimate tensile strength over the temperature range -196 to 25 °C. The miniaturized test uses disc specimens 3 mm diameter and 0.25 mm thick and a test jig that applies a load via a 1 mm diameter steel ball at a constant displacement rate. The reproducibility of the method has been determined by testing a large number of the 2 1/4Cr1Mo steel specimens at each temperature considered. Comparisons have been made between analytical and empirical methods of evaluating the tensile yield stress and ultimate tensile strength from the measured load-displacement data. In addition, consideration has been given to the total energy to fracture, K*, and the variation with temperature which confirms a transition from low-energy cleavage to high-energy ductile fracture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00349666
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  • 8
    Electronic Resource
    Electronic Resource
    Effect of boron on phosphorus-induced temper embrittlement (1999)
    Springer
    Journal of materials science 34 (1999), S. 5549-5556 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Combined equilibrium and non-equilibrium grain boundary segregation of solute atoms in dilute ternary alloys is modelled through consideration of site competition between two solutes. Model predictions are made for a low-alloy steel containing boron. The predicted results indicate that the kinetics of phosphorus segregation are dramatically facilitated by quenched-in vacancies, and the magnitude of the segregation, however, is substantially suppressed by the competition of boron with phosphorus for segregation sites, and in turn the phosphorus-induced embrittlement may be alleviated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004776931616
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  • 9
    Electronic Resource
    Electronic Resource
    The growth of fatigue cracks in aluminium (1971)
    Springer
    International journal of fracture 7 (1971), S. 17-22 
    Details
    ISSN: 1573-2673
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Résumé Des essais ont été exécutés en vue de déterminer, sur une base quantitative, les vitesses de propagation des fissures de fatigue dans les métaux. Des éprouvettes d'aluminium ont été soumises à essais de fatigue sons contraintes de faible amplitude, et l'on a examiné séparément les cas de la charge imposée et de la tension imposée. On trouve que les vitesses de propagation des fissures sont proportionnelles à la puissance quatrième du facteur d'intensité de contrainte que correspond aux deux cas envisagés. Suit une brève discussion sur la présentation des données expérimentales d'essais de propagation des fissures de fatigue.
    Abstract: Zusammenfassung Es wurden Versuche durchgeführt um die Fortpflanzungsgeschwindigkeit von Rissen in Metallen quantitativ zu erfassen. Aluminiumproben wurden in Dauerstandsversuchen unter konstanter Belastung und bee konstanter Spannung geprüft. Hierbei ergab, daß die Rißwachstumsgeschwindigkeit der vierten Potenz der entsprechenden Spannungsintensitäts-faktoren proportional ist. Die Verfahren zur Auswertung von Versuchsergebnissen wurden kurz besprochen.
    Notes: Abstract Experiments have been performed in order to assess quantitatively the rates of fatigue crack propagation in metals. Low stress fatigue tests have been performed on aluminium specimens under conditions of constant load and constant stress. The crack growth rates are found to be proportional to the fourth power of the appropriate stress intensity factors. Methods of processing fatigue test data are briefly discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00236480
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  • 10
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    The influence of temperature and grain boundary volume on the resistivity of nanocrystalline nickel (2015)
    American Institute of Physics
    Details
    Publication Date: 2015-11-14
    Print ISSN: 0021-8979
    Electronic ISSN: 1089-7550
    Topics: Physics
    Published by American Institute of Physics
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