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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 11 (1980), S. 258-264 
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Creep Behaviour of Hot-Work Tool SteelsComparison of four steels with varying hardening and annealing treatment. Creep test of up to 200 h duration under constant stress at 550°C. Investigation of carbides by x-ray diffraction of electrochemical residues and electron diffraction of extraction replicas. Marked strengthening at the beginning of creep due to carbide precipitation followed by a decrease in strength due to carbide growth and formation of cells. Up to 1000 h the steel X 40 CrMo V 51 seems to offer the best creep strenght when hardened from 1100°C.
    Notes: Vergleichende Untersuchung von vier Warmarbeitsstählen in Abhängigkeit von Härte- und Anlaßtemperatur. Kriechversuche bis zu 200 h Dauer unter konstanter Spannung bei 550°C. Karbiduntersuchung durch Röntgenbeugung elektrochemisch isolierter Rückstände und Elektronenbeugung an Ausziehabdrucken. Starke Verfestigung zu Beginn des Kriechens durch Karbidausscheidungen mit anschließender Entfestigung durch Karbidvergröberung und Zellbildung. Bis 1000 h deutet sich die beste Kriechfestigkeit für den Stahl X 40 CrMo V 51 gehärtet von 1100°C an.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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