Zobrazeno 1 - 10 of 12 pro vyhledávání: '"Romina Krieg"'
1
Examination of the Interdependency of Applied Load, Realizable Stroke and Transition Temperatures in Cyclic Tests Concerning Lifetime of Single Crystalline CuAlNi
Autor: Moritz Langhoff, Simon Horn, Romina Krieg, Christian Krancher, Fabian Hoffmann, Ralf Theiß, Peter Dültgen
Publikováno v: ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems.
Copper-based shape memory alloys (Cu-SMA) are known for their high transition temperatures and therefore their potential for actuation applications in environments with higher temperatures than tolerable for binary NiTi. Due to the higher transition
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f198a6bad584ce7342729dea0d51ce31
https://doi.org/10.1115/smasis2022-90963
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2
Investigation of Transformation Temperatures, Microstructure, and Deformation Behavior of a Pseudoelastic Cu-Based Shape Memory Alloy
Autor: Christian Krancher, Benjamin Schelnberger, Fabian Hoffmann, Romina Krieg, Ralf Theiß, Peter Dültgen
Publikováno v: ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems.
Cu-based shape memory alloys are a promising alternative to the widely used nitinol. The challenge for their use is related to the application temperature, shape memory properties as well as fabrication, and further processing. Knowledge of the trans
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::17903bccfbe1b3c0b26d61f40a23c264
https://doi.org/10.1115/smasis2022-90933
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3
Simulation of Pseudoelastic NiTi Shape Memory Alloys under Compressive Loading to Assess the Potential use in Vibration Damping in the Tool Interface
Autor: Yannic Zwinscher, Fabian Hoffmann, Simon Horn, Romina Krieg, Ralf Theiß, Peter Dültgen, Niclas Klumpen, Christian Brecher, Stephan Neus
Publikováno v: SMST 2022: Extended Abstracts from the International Conference on Shape Memory and Superelastic Technologies.
Passive vibration isolation is a key element to achieve precise results in milling processes and to increase tool durability. Damping of vibrations near to the cutting edge is considered highly effective as well as hard to implement because of the li
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e6c59ab96bc36ea879f3fd368021b53d
https://doi.org/10.31399/asm.cp.smst2022p0063
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4
Comparison of Various Metallography Preparation Methods of Binary NiTi-shape Memory Alloy Specimens
Autor: Christopher Holm, Nefeli Klonis, Romina Krieg, Ralf Theiß, Peter Dültgen
Publikováno v: SMST 2022: Extended Abstracts from the International Conference on Shape Memory and Superelastic Technologies.
In this paper, the results of different selected mechanical and electrolytic preparation methods are compared with regard to the successful visualization of Nitinol microstructure. The results indicate that a commonly specified preparation route may
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c6a1b76047cfcb60ba6a0f642869642a
https://doi.org/10.31399/asm.cp.smst2022p0057
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5
Variation of Material Properties in Tilt-Cast Cu-Al-Ni Alloy
Autor: Benjamin Schelnberger, Romina Krieg, Ralf Theiss, Peter Dültgen
Publikováno v: SMST 2022: Extended Abstracts from the International Conference on Shape Memory and Superelastic Technologies.
Alloys based on CuAl have been a promising option for high-temperature SMAs (HTSMA) because of their procedural and cost advantages over NiTi-based high-temperature SMAs. Despite their excellent shape memory as well as phase stability at temperatures
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24046d392ce27808586ced326194c2f3
https://doi.org/10.31399/asm.cp.smst2022p0093
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6
Investigation of Transformation Behaviour of Pseudoelastic NiTi Shape Memory Alloys Under Compressive Loading to Assess the Potential Use in Vibration Damping in Milling Operations
Autor: Peter Dültgen, Stephan Neus, Fabian Hoffmann, Romina Krieg, Christian Brecher, Ralf Theiß, Niclas Klumpen
Publikováno v: ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems.
Passive vibration isolation is a key element to achieve precise results in milling processes and to increase tool durability. Damping of vibrations near to the cutting edge is considered highly effective as well as hard to implement because of the li
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::161195f56b8109bba82005db326b9463
https://doi.org/10.1115/smasis2021-67467
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7
Influences of Various Parameters on the Microstructure and Their Effects on the Structural Fatigue of Shape Memory Systems
Autor: Ralf Theiß, Romina Krieg, Fabian Hoffmann, Yannic Zwinscher, Peter Dültgen
Publikováno v: ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems.
Due to numerous advantages, including high energy density, in addition to the small, required volume, low weight, and high biocompatibility, NiTi shape memory actuators offer the possibility of replacing conventional actuators. Besides the few mass p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f59dedbe87cfd9a6262d349be50cb048
https://doi.org/10.1115/smasis2021-68015
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8
Additively Manufactured Force Sensors Based on Shape Memory Alloys
Autor: Romina Krieg, Peter Dültgen, Alina Heynen, Ralf Theiß, Fabian Hoffmann, Robin Roj
Publikováno v: ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems.
In view of additive manufacturing and customized solutions, this paper describes the development of force sensors by combining DLP-printed components with shape memory alloys. The focus is on material investigations followed by FEM analysis for the d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2914c7457a7c2f6973d2f5f26b914739
https://doi.org/10.1115/smasis2021-68013
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10
Cathodic self-healing at cut-edges: The effect of Zn2+ and Mg2+ ions
Autor: Bernd Schuhmacher, Michael Rohwerder, Romina Krieg, Janine Schauer-Pass, Stefan Evers
Publikováno v: Corrosion Science. 65:119-127
At the cut edge of galvanised steel sheet a small area of exposed zinc has to protect a comparatively large steel area. This should lead to a short system lifetime, if the oxygen reduction on the steel were not quickly inhibited. This “cathodic sel
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::19888b2a2c319d1a7d49d02a61a98688
https://doi.org/10.1016/j.corsci.2012.08.008
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