J. Twiefel: search on Z-Library

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1

Self-cleaning mechanisms in ultrasonic bonding of Al wire

Long, Yangyang, Dencker, Folke, Isaak, Andreas, Hermsdorf, Jörg, Wurz, Marc, Twiefel, Jens

Journal:

Journal of Materials Processing Technology

Year:

2018

Language:

english

File:

PDF, 4.07 MB

english, 2018

2

Feasibility Study for Small Scaling Flywheel-Energy-Storage Systems in Energy Harvesting Systems

Ertz, Gabriel, Twiefel, Jens, Krack, Malte

Journal:

Energy Harvesting and Systems

Year:

2014

Language:

english

File:

PDF, 2.23 MB

english, 2014

3

Modal interaction in ultrasonic welding block sonotrodes induced by the mistuning of the material properties

Brouet, Francois, Twiefel, Jens, Wallaschek, Jörg

Journal:

Journal of Sound and Vibration

Year:

2016

Language:

english

File:

PDF, 2.71 MB

english, 2016

4

Modelling approaches for an ultrasonic percussion drill

C. Potthast, J. Twiefel, J. Wallaschek

Journal:

Journal of Sound and Vibration

Year:

2007

Language:

english

File:

PDF, 1.18 MB

english, 2007

5

A review on the mechanisms of ultrasonic wedge-wedge bonding

Long, Yangyang, Twiefel, Jens, Wallaschek, Jörg

Journal:

Journal of Materials Processing Technology

Year:

2017

Language:

english

File:

PDF, 1.24 MB

english, 2017

6

Modeling and Experimental Investigation of a Periodically Excited Hybrid Energy-Harvesting Generator

Hofmann, Viktor, Kleyman, Gleb, Twiefel, Jens

Journal:

Energy Harvesting and Systems

Year:

2015

Language:

english

File:

PDF, 1.99 MB

english, 2015

7

Ultrasonic-assisted machining of stone

U. Heisel, R. Eisseler, R. Eber, J. Wallaschek, J. Twiefel, M. Huang

Journal:

Production Engineering

Year:

2011

Language:

english

File:

PDF, 881 KB

english, 2011

8

Effect of different standoff distance and driving current on transducer during ultrasonic cavitation peening

Bai, Fushi, Saalbach, Kai-Alexander, Twiefel, Jens, Wallaschek, Jörg

Journal:

Sensors and Actuators A: Physical

Year:

2017

Language:

english

File:

PDF, 1.87 MB

english, 2017

9

Capability evaluation of ultrasonic cavitation peening at different standoff distances

Bai, Fushi, Saalbach, Kai-Alexander, Long, Yangyang, Twiefel, Jens, Wallaschek, Jörg

Journal:

Year:

2018

Language:

english

File:

PDF, 2.06 MB

english, 2018

10

Impact of time on ultrasonic cavitation peening via detection of surface plastic deformation

Bai, Fushi, Saalbach, Kai-Alexander, Wang, Liang, Wang, Xiaogeng, Twiefel, Jens

Journal:

Year:

2018

Language:

english

File:

PDF, 2.00 MB

english, 2018

11

Systematic electromechanical transfer matrix model of a novel sandwiched type flexural piezoelectric transducer

Wang, Liang, Hofmann, Viktor, Bai, Fushi, Jin, Jiamei, Liu, Yang, Twiefel, Jens

Journal:

International Journal of Mechanical Sciences

Year:

2018

Language:

english

File:

PDF, 3.92 MB

english, 2018

12

A novel additive manufactured three-dimensional piezoelectric transducer: Systematic modeling and experimental validation

Wang, Liang, Hofmann, Viktor, Bai, Fushi, Jin, Jiamei, Twiefel, Jens

Journal:

Mechanical Systems and Signal Processing

Year:

2019

Language:

english

File:

PDF, 3.06 MB

english, 2019

13

Design and characterization of the lateral actuator of a bimodal tactile display with two excitation directions

Schmelt, Andreas S., Hofmann, Viktor, Fischer, Eike C., Wurz, Marc C., Twiefel, Jens

Journal:

Year:

2018

Language:

english

File:

PDF, 2.97 MB

english, 2018

14

Semi-analytical modeling and optimization of a traveling wave sandwich piezoelectric transducer with a beam-ring combined structure

Wang, Liang, Xue, Chengyang, Hofmann, Viktor, Bai, Fushi, Jin, Jiamei, Twiefel, Jens

Journal:

Mechanical Systems and Signal Processing

Year:

2019

File:

PDF, 2.73 MB

2019

15

Utilizing multilayer lithium niobate elements for ultrasonic actuators

Jens Twiefel, Takeshi Morita

Journal:

Sensors and Actuators A: Physical

Year:

2011

Language:

english

File:

PDF, 622 KB

english, 2011

16

An ultrasonic motor with intermittent contact modeled as a two degree of freedom oscillator in time domain

Wiebold Wurpts, Jens Twiefel

Journal:

Year:

2009

Language:

english

File:

PDF, 117 KB

english, 2009

17

Power output estimation and experimental validation for piezoelectric energy harvesting systems

Jens Twiefel, Björn Richter, Thomas Sattel, Jörg Wallaschek

Journal:

Journal of Electroceramics

Year:

2008

Language:

english

File:

PDF, 766 KB

english, 2008

18

[ASME ASME 2006 International Mechanical Engineering Congress and Exposition - Chicago, Illinois, USA (November 5 – 10, 2006)] Aerospace - Model Based Design of Piezoelectric Generators Utilizing Geometrical and Material Properties

Richter, Björn, Twiefel, Jens, Hemsel, Tobias, Wallaschek, Jörg

Year:

2006

Language:

english

File:

PDF, 1.24 MB

english, 2006

19

Observer-based feedback linearisation of nonlinear ultrasonic systems

Ille, Igor, Mojrzisch, Sebastian, Twiefel, Jens

Journal:

Archive of Applied Mechanics

Year:

2016

Language:

english

File:

PDF, 1.05 MB

english, 2016

20

Track P. Medical Implants / Implant Development

van Drunen, Wouter J., Hofmann, Viktor, Twiefel, Jens, Glukhovskoy, Anatoly, Beringer, Sebastian, Wurz, Marc C., Rau, Thomas S., Wallaschek, Jörg, Rissing, Lutz, Lenarz, Thomas, Majdani, Omid

Journal:

Biomedical Engineering/ Biomedizinische Technik

Year:

2016

Language:

english

File:

PDF, 553 KB

english, 2016

21

Toward understanding the self-adaptive dynamics of a harmonically forced beam with a sliding mass

Krack, Malte, Aboulfotoh, Noha, Twiefel, Jens, Wallaschek, Jörg, Bergman, Lawrence A., Vakakis, Alexander F.

Journal:

Archive of Applied Mechanics

Year:

2017

Language:

english

File:

PDF, 2.60 MB

english, 2017

22

[IEEE 2016 IEEE 18th Electronics Packaging Technology Conference (EPTC) - Singapore, Singapore (2016.11.30-2016.12.3)] 2016 IEEE 18th Electronics Packaging Technology Conference (EPTC) - Investigations on the oxide removal mechanism during ultrasonic wedge-wedge bonding process

Long, Yangyang, Dencker, Folke, Schneider, Friedrich, Emde, Benjamin, Li, Chun, Hermsdorf, Jorg, Wurz, Marc, Twiefel, Jens

Year:

2016

Language:

english

File:

PDF, 3.61 MB

english, 2016

23

A control system for ultrasound devices utilized for inactivating E. coli in wastewater

Ohrdes, H., Ille, I., Twiefel, J., Wallaschek, J., Nogueira, R., Rosenwinkel, K.-H.

Journal:

Ultrasonics Sonochemistry

Year:

2017

Language:

english

File:

PDF, 2.19 MB

english, 2017

24

Experimental Study on Performance Enhancement of a Piezoelectric Vibration Energy Harvester by applying Self-Resonating Behavior

Aboulfotoh, Noha, Twiefel, Jens, Krack, Malte, Wallaschek, Jörg

Journal:

Energy Harvesting and Systems

Year:

2017

Language:

english

File:

PDF, 2.68 MB

english, 2017

25

Self-Sensing with Loaded Piezoelectric Bending Actuators

Hofmann, Viktor, Twiefel, Jens

Journal:

Sensors and Actuators A: Physical

Year:

2017

Language:

english

File:

PDF, 670 KB

english, 2017

26

A rod type linear ultrasonic motor utilizing longitudinal traveling waves: proof of concept

Wang, Liang, Wielert, Tim, Twiefel, Jens, Jin, Jiamei, Wallaschek, Jörg

Journal:

Smart Materials and Structures

Year:

2017

Language:

english

File:

PDF, 2.75 MB

english, 2017

27

Modeling of delamination detection utilizing air-coupled ultrasound in wood-based composites

Marhenke, Torben, Neuenschwander, Jürg, Furrer, Roman, Twiefel, Jens, Hasener, Jörg, Niemz, Peter, Sanabria, Sergio J.

Journal:

NDT & E International

Year:

2018

Language:

english

File:

PDF, 2.41 MB

english, 2018

28

[IEEE 2018 IEEE 68th Electronic Components and Technology Conference (ECTC) - San Diego, CA, USA (2018.5.29-2018.6.1)] 2018 IEEE 68th Electronic Components and Technology Conference (ECTC) - Molecular Dynamics Simulation of Microwelds Formation and Breakage During Ultrasonic Copper Wire Bonding

Long, Yangyang, He, Bo, Cui, Weizhe, Zhuang, Xiaoying, Twiefel, Jens

Year:

2018

File:

PDF, 2.43 MB

2018

29

[IEEE 2018 IEEE 68th Electronic Components and Technology Conference (ECTC) - San Diego, CA, USA (2018.5.29-2018.6.1)] 2018 IEEE 68th Electronic Components and Technology Conference (ECTC) - Molecular Dynamics Simulation of Microwelds Formation and Breakage During Ultrasonic Copper Wire Bonding

Long, Yangyang, He, Bo, Cui, Weizhe, Zhuang, Xiaoying, Twiefel, Jens

Year:

2018

Language:

english

File:

PDF, 2.43 MB

english, 2018

30

Theoretical and experimental investigations of ultrasonic sound fields in thin bubbly liquid layers for ultrasonic cavitation peening

Bai, Fushi, Long, Yangyang, Saalbach, Kai-Alexander, Twiefel, Jens

Journal:

Year:

2018

Language:

english

File:

PDF, 1.49 MB

english, 2018

31

A Novel Ultrasonic Cavitation Peening Approach Assisted by Water Jet

Bai, Fushi, Wang, Liang, Saalbach, Kai-Alexander, Twiefel, Jens

Journal:

Applied Sciences

Year:

2018

Language:

english

File:

PDF, 2.24 MB

english, 2018

32

Quantification of the Energy Flows During Ultrasonic Wire Bonding Under Different Process Parameters

Long, Yangyang, Schneider, Friedrich, Li, Chun, Hermsdorf, Jörg, Twiefel, Jens, Wallaschek, Jörg

Journal:

International Journal of Precision Engineering and Manufacturing-Green Technology

Year:

2019

Language:

english

File:

PDF, 3.01 MB

english, 2019

33

Contact mechanics and friction processes in ultrasonic wire bonding - Basic theories and experimental investigations

Long, Yangyang, Twiefel, Jens, Wallaschek, Jörg

Journal:

Journal of Sound and Vibration

Year:

2019

Language:

english

File:

PDF, 7.58 MB

english, 2019

34

A Novel Dual-Rotor Ultrasonic Motor for Underwater Propulsion

Lu, Xiaolong, Wang, Zhiwen, Shen, Hui, Zhao, Kangdong, Pan, Tianyue, Kong, Dexu, Twiefel, Jens

Journal:

Applied Sciences

Year:

2019

File:

PDF, 4.02 MB

2019

35

Investigations on the mechanism of microweld changes during ultrasonic wire bonding by molecular dynamics simulation

Long, Yangyang, He, Bo, Cui, Weizhe, Ji, Yuhang, Zhuang, Xiaoying, Twiefel, Jens

Journal:

Materials & Design

Year:

2020

File:

PDF, 16.13 MB

2020

36

[IEEE 2020 IEEE 70th Electronic Components and Technology Conference (ECTC) - Orlando, FL, USA (2020.6.3-2020.6.30)] 2020 IEEE 70th Electronic Components and Technology Conference (ECTC) - Novel Piezoelectric Force Sensor Array for Investigation of Ultrasonic Wire Bonding

Arndt, Matthias, Long, Yangyang, Dencker, Folke, Reimann, Jannik, Twiefel, Jens, Wurz, Marc Christopher

Year:

2020

File:

PDF, 1.32 MB

2020

37

Fundamental experiments as benchmark problems for modeling ultrasonic micro-impact processes

Jens Twiefel, Christian Potthast, Maik Mracek, Tobias Hemsel, Thomas Sattel, Jörg Wallaschek

Journal:

Journal of Electroceramics

Year:

2008

Language:

english

File:

PDF, 878 KB

english, 2008

38

Piezoelectric linear motor concepts based on coupling of longitudinal vibrations

T. Hemsel, M. Mracek, J. Twiefel, P. Vasiljev

Journal:

Year:

2006

Language:

english

File:

PDF, 313 KB

english, 2006

39

SPIE Proceedings [SPIE SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring - San Diego, California (Sunday 11 March 2012)] Active and Passive Smart Structures and Integrated Systems 2012 - Improved pen harvester for powering a pulse rate sensor

Marin, Anthony, Heitzmann, Patrick, Twiefel, Jens, Priya, Shashank, Sodano, Henry A.

Year:

2012

Language:

english

File:

PDF, 2.53 MB

english, 2012

40

SPIE Proceedings [SPIE SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring - San Diego, California, USA (Sunday 10 March 2013)] Active and Passive Smart Structures and Integrated Systems 2013 - Highly-integrated energy harvesting device for rotational applications utilizing quasi-static piezoelectric and electromagnetic generators

Wurz, Marc C., Kleyman, Gleb, Twiefel, Jens, Sodano, Henry

Year:

2013

Language:

english

File:

PDF, 1.42 MB

english, 2013

41

SPIE Proceedings [SPIE The 16th International Symposium on: Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring - San Diego, CA (Sunday 8 March 2009)] Active and Passive Smart Structures and Integrated Systems 2009 - Design and experimental investigations of high power piezoelectric transducers for a novel squeeze film journal bearing

Zhao, Su, Twiefel, Jens, Wallaschek, Joerg, Ahmadian, Mehdi, Ghasemi-Nejhad, Mehrdad N.

Year:

2009

Language:

english

File:

PDF, 366 KB

english, 2009

42

Analysis of ultrasonic vibro-impact systems with equivalent circuits and the harmonic balance method

Wurpts, Wiebold, Twiefel, Jens

Journal:

Sensors and Actuators A: Physical

Year:

2013

Language:

english

File:

PDF, 1.11 MB

english, 2013

43

SPIE Proceedings [SPIE Smart Structures and Materials - San Diego, CA (Sunday 26 February 2006)] Smart Structures and Materials 2006: Damping and Isolation - Model-based design of piezoelectric energy harvesting systems

Twiefel, Jens, Richter, Björn, Hemsel, Tobias, Wallaschek, Jörg, Clark, William W., Ahmadian, Mehdi, Lumsdaine, Arnold

Year:

2006

Language:

english

File:

PDF, 1002 KB

english, 2006

44

Survey on broadband techniques for vibration energy harvesting

Twiefel, J., Westermann, H.

Journal:

Journal of Intelligent Material Systems and Structures

Year:

2013

Language:

english

File:

PDF, 3.28 MB

english, 2013

45

[IEEE 2012 IEEE International Ultrasonics Symposium - Dresden, Germany (2012.10.7-2012.10.10)] 2012 IEEE International Ultrasonics Symposium - Ultrasonic assisted simultaneous composite casting - A feasibility study

Saalbach, Kai-Alexander, Freytag, Patrick, Kerber, Kai, Twiefel, Jens

Year:

2012

Language:

english

File:

PDF, 605 KB

english, 2012

46

[IEEE 2009 IEEE International Ultrasonics Symposium - Rome, Italy (2009.09.20-2009.09.23)] 2009 IEEE International Ultrasonics Symposium - Theoretical and experimental treatment of standing wave type motors contact behavior

Twiefel, Jens, Wurpts, Wiebold, Wallaschek, Jorg

Year:

2009

Language:

english

File:

PDF, 744 KB

english, 2009

47

Kinematic Model for Ultrasonic-Assisted Manufacturing of Bore Holes with Undefined Cutting Edges

Heisel, Uwe, Eber, Rainer, Wallaschek, Jörg, Twiefel, Jens

Journal:

Advanced Materials Research

Year:

2011

Language:

english

File:

PDF, 776 KB

english, 2011

48

SPIE Proceedings [SPIE SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring - San Diego, California, USA (Sunday 10 March 2013)] Active and Passive Smart Structures and Integrated Systems 2013 - Vibration shape effects on the power output in piezoelectric vibro-impact energy harvesters

Twiefel, Jens, Sodano, Henry

Year:

2013

Language:

english

File:

PDF, 956 KB

english, 2013

49

SPIE Proceedings [SPIE SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring - San Diego, California, USA (Sunday 10 March 2013)] Active and Passive Smart Structures and Integrated Systems 2013 - On ultrasonic squeeze film levitation: modeling and feedback control of ultrasonic bearing systems

Mojrzisch, Sebastian, Twiefel, Jens, Sodano, Henry

Year:

2013

Language:

english

File:

PDF, 3.56 MB

english, 2013

50

Phase-controlled frequency response measurement of a piezoelectric ring at high vibration amplitude

Mojrzisch, Sebastian, Twiefel, Jens

Journal:

Archive of Applied Mechanics

Year:

2016

Language:

english

File:

PDF, 1.28 MB

english, 2016

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