2010
DOI: 10.1002/mawe.200900527
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Short‐term creep behavior of chromium rich hot‐work tool steels

Abstract: Hot-work tool steels represent a group of steels which are used for metal forming operations at elevated temperatures, e. g. die casting, extrusion molding and drop forging. During application such working tools are exposed for a short time to both high temperatures and mechanical stresses. Short-term creep tests of two chromium rich martensitic hot-work tool steels which basically differ in their molybdenum, carbon and silicon content were conducted at temperatures in the range of 540 8C to 600 8C and at stre… Show more

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Cited by 3 publications
(3 citation statements)
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“…In the final heat treatment condition, the microstructures of both materials consist of tempered martensite containing micrometer‐sized primary carbides . Alloys A and B reach a hardness of 617 ± 2 HV5 and 654 ± 4 HV5, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…In the final heat treatment condition, the microstructures of both materials consist of tempered martensite containing micrometer‐sized primary carbides . Alloys A and B reach a hardness of 617 ± 2 HV5 and 654 ± 4 HV5, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…Potentially carbide‐forming elements are molybdenum, tungsten, and vanadium . The sizes of the carbides are in the range of 5 to 600 nm . During quenching after the austenitization, no segregation of any substitutional elements and also no forming of secondary carbides take place …”
Section: Introductionmentioning
confidence: 99%
“…1 The sizes of the carbides are in the range of 5 to 600 nm. 6 NOMENCLATURE: AT, ageing heat treatment; KTM, constraint factor; N f , cycles to failure; N f ∕2, half cycles to failure; R m , tensile strength; R p0.2 , yield strength; SA, quenched heat treatment; T max , maximal temperature; TMF, thermomechanical fatigue; T min , minimal temperature; T start , start temperature; 𝜖 ampl , mechanical strain amplitude; 𝜖 mech , mechanical strain; 𝜖 therm , thermal elongation; 𝜖 total , total strain; 𝜎 max , maximum stress; 𝜎 ampl , amplitude stress.…”
Section: Introductionmentioning
confidence: 99%