Skip to main content

3 Result(s)

within G. Walle Remove this filter

and

  1. No Access

    Chapter

    Multi-Channel Pyrometry and Thermography — A Non-Contact Method for the Determination of the Spectral Emissivity of High-Temperature Materials

    Materials for space technology and also for other high-temperature applications have to fulfil specific requirements, e.g. a definite behaviour of spectral emission coefficient is necessary. The aim of the exp...

    T. Vetterlein, G. Walle, N. Meyendorf in Nondestructive Characterization of Materials VIII (1998)

  2. No Access

    Chapter

    Multi-Energy Radioscopy — An X-Ray Technique for Materials Characterization

    The interaction of X-rays with matter was already analyzed to a high extent by 1926, as the patents by Simon1, 2 and Danin3 demonstrated possibilities for the production of color X-ray images utilizing energy, at...

    N. Meyendorf, G. Walle, H. Reiter, M. Maisl… in Nondestructive Characterization of Materia… (1998)

  3. No Access

    Chapter and Conference Paper

    A Model for the Interpretation of A.C. Magnetic Stray Flux Measurements

    The reconstruction of crack geometry, especially the sizing of crack height, from measured magnetic leakage-flux data in the vicinity of surface cracks is a general aim of NDT in the last decade. The contribut...

    G. Dobmann, G. Walle in New Procedures in Nondestructive Testing (1983)