| 摘要 |
The invention relates to a securing element for screw connections as an interlayer between the screw head and supporting material and/or between the nut and supporting material, the basic body of the element consisting of a metallic material, to the top side and underside of which hard material particles are fixed, wherein the hard material particles are fixed by means of a metallic binding phase, the thickness of the metallic binding phase being lower than the mean diameter of the hard material particles, so that the hard material particles project out of the metallic binding phase. The invention also relates to the use of a securing element according to the invention for highly loaded, permanent and rereleasable screw connections, the securing element being used as an interlayer between the screw head and supporting material and/or between the nut and supporting material.
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