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R. Narayanan, U. Dixit (2015)
Advances in Material Forming and Joining
D. Carlucci, S. Jacobson (2014)
Ballistics — Theory and Design of Guns and Ammunition
FELSS -Shortcut Technologies
D. Carlucci, S. Jacobson (2013)
Ballistics: Theory and Design of Guns and Ammunition, Second Edition
FIGURE 6 Safety factor without (left) and in (right) consideration of local parameters
SIM U L AT I O N © Hirschvogel Automotive Group Layout of Highly Stressed Injection and Motor Components Hydraulic autofrettage as a means of increasing fatigue life of components charged with inter - nal high-pressure (for example common rails for Diesel- injection systems) is establishing itself progressively in the field of off-highway engines. During computational layout of this process step, consideration of anisotropic material behaviour is of primary importance. So far, local quite possibly directional component-strength (such as due to prior autofrettage) has not been taken into account among standards to evaluation of durability for forged components. In the context of a joint development project this gap has been closed by Hirschvogel Automotive Group, Engineering Center Steyr and Transvalor. 3 8 A U T HOR S PRINCIPLE OF HYDRAULIC OPTIMISATION OF FORGED HIGH AUTO FRE T TAGE STRENGTH COMPONENTS Injection pressures beyond 2000 bar Technical systems of modern times – contribute significantly to a more effi- both for automotive and off-highway cient exploitation of fuel in prospective applications – contain forged high- engines. The so-called autofrettage strength components, many times. method ensures, that hydraulic tubes Its key role particularly can be Jochen Heizmann, B.A. is responsible for the development
ATZoffhighway worldwide – Springer Journals
Published: May 25, 2016
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