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	题名	作者	年代	出处	被引量
1	Acoustic Measurements for Determination of the Materials Damping Using A Sound Source Localisation System显示文摘Noise measurements are especially a problem when the object under investigation is largely dimensioned and can only be measured from the distance. To obtain information about the location of noise generation, a measurement technique which makes sound visible in order to introduce further specific technical measures is advantageous. The question is if the time dependence of the signal got from such a non touching and non destructive acoustic method has the potential to calculate the materials damping from. Using a small sound source localization system (Microflown TM probe), specimens of magnesium alloys with different grain sizes obtained by hydrostatic extrusion were investigated. It has been demonstrated that the fine grained microstructure led to a lower damping and its dependence on the strain was reduced. In this context, acoustic measurements by a sound source localisation system which makes materials characterization possible could be used as a quality tool to detect changes in highly stressed components. This approach allows to promote a selective substitution of conventional materials by more innovative ones. The offshore sector is considered to be a field of application: Wind turbines produce noise emission which stems mainly from turbulences at the tips of the rotor blades and vibrations of components inside the nacelle (e.g. gearbox, generator, ··· ). If the vibration amplitudes are too high, microcracks of components can lead to failure over the long term. The monitoring of microstructural changes using a larger type of a sound source localisation system is considered as an innovative technical approach with respect to maintenance activities.	J. Gken J. Swiostek H. Hurdelbrink U. Keil	2013	Acta Metallurgica Sinica(English Letters)2013，26，2：	2
2	Hydrostatic extrusion of commercial magnesium alloys at 100℃ and its influence on grain refinement and mechanical properties 显示文摘	Swiostek J Goken J Letzig D	2006	Materials Science and Engineering2006，424，12：	1
3	Magnesium wrought alloy properties of the AZ - Series显示文摘	Letzig D Swiostek J Bohlen J	2005	Magnesium Technology2005，，：	1
4	Microstructure and texture development during hydrostatic extrusion of magnesium alloy AZ31 显示文摘	Bohlen J Yi S B Swiostek J	2005	Scripta Materiaha2005，53，2：	1
5	Microstructure and texture development during hydrostatic extrusion of magnesium alloy AZ31 显示文摘	Swiostek J Yi S B	2005	Scripta Mater2005，53，2：	1
6	Microstructure and texture development during hydrostatic extrusion of magnesium alloy AZ31显示文摘	Bohlen J Yi S B Swiostek J	2005	Scripta Materialia2005，53，2：	1
7	Wrought magnesium alloys for structural applications 显示文摘	Letzig D Swiostek J Bohlen J	2008	Materials Science and Technology2008，24，8：	1
8	Wroughtmagnesium alloys for structural applications显示文摘	Letzig D Swiostek J Bohlen J Beaven P A Kainer K U	2008	Material Scienceand Technology2008，24，8：	1
9	Microstructure and texture development during hydrostatic extrusion of magnesium alloy AZ31 显示文摘	BOHLEN J YI S B SWIOSTEK J LETZIG D BRORMFIER H G KAINER K U	2005	Scripta Materialia2005，53，：	1
10	Scripta Materialia显示文摘	Swiostek J Yi S B	2005	53(2): 2592005，53，2：	1
11	Damping measurements of the magnesium wrought alloys AZ31 ,AZ61 and AZ80 aider indirect and hydrostatic extrusion 显示文摘	Goken J Swiostek J Letzig D	2005	Materials Science Forum2005，482，：	1
12	Microstructure and texture development during hydrostatic extrusion of magnesium alloy AZ31 显示文摘	SWIOSTEK J YI S B SWIOSTEK J	2005	Scripta Materialia2005，53，2：	1
13	Hydrostatic extrusion of commercial magnesium alloys at 100 ℃ and its influence on grain refinement and mechanical properties显示文摘	SWIOSTEK J GOKEN J LETZIG D	2006	Materials Science and Engineering A2006，424，：	1
14	On the influence of the grain size and solute content on the AE response of magnesium alloys tested in tension and compression显示文摘	BOHLEN J DOBRON P SWIOSTEK J	2007	Materials Science and Engineering A2007，462，：	1
15	Hydrostatic extrusion of commercial magnesium alloys at 100℃ and its influence on grain refinement and mechanical properties显示文摘	Swiostek J G6ken J Letzig D	2006	Materials Science and Engineering:2006，424，12：	1
16	Microstructure and texture development during hydrostatic extrusion of Magnesium alloy AZ31 显示文摘	Bohlen J Yi S B Swiostek J	2005	Scripta Materialia2005，53，2：	1
17	Hydrostatic extrusion at 100 ℃ and its effect on the grain size and mechanical properties of magnesium alloys显示文摘	Swiostek J Letzing D Kainer KU	2006	Metal Science and Heat Treatment2006，48，1112：	1
18	Damping measurements of the magnesium wrought alloys AZ31,AZ61 and AZ80 after indirect and hydrostatic extrusion显示文摘	G(o)ken J Swiostek J Letzig D		0，，：	1
19	Hydrostatic extru sion at 100℃ and its effect on the grain size and mechanical prop- erties of magnesium alloy 显示文摘	SWIOSTEK J LETZIG D KAINER K U	2006	Metal Science and Heat Treat ment2006，48，1112：	1
20	Wrought magnesi-um alloys for structural applications 显示文摘	LETZIG D SWIOSTEK J BOHLEN J	2008	Materials Science andTechnology2008，24，：	1

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