Search Results - "Renk, Oliver"

Anneal Hardening in Single Phase Nanostructured Metals by Renk, Oliver, Pippan, Reinhard

“…Recovery of cold worked metals is associated with a loss of strength due to the reduction of the defect density. However, already in the 1960s analytical…”
Get full text

Exploring the anneal hardening phenomenon in nanocrystalline Pt-Ru alloys by Renk, Oliver, Hohenwarter, Anton, Maier-Kiener, Verena, Pippan, Reinhard

“…Pt and its alloys have important applications in the field of catalysis or in the jewellery industry. Especially in the latter case sufficient strength is…”
Get full text

Effect of Carbon in Severe Plastically Deformed Metals by Bachmaier, Andrea, Pippan, Reinhard, Renk, Oliver

“…In the last decades severe plastic deformation techniques have gained increasing interest as they allow the production of bulk nanostructured materials with…”
Get full text

Influence of shear strain on HPT-processed n-type skutterudites yielding ZT=2.1 by Rogl, Gerda, Ghosh, Sanyukta, Renk, Oliver, Yubuta, Kunio, Grytsiv, Andriy, Schafler, Erhard, Zehetbauer, Michael, Mallik, Ramesh C., Bauer, Ernst, Rogl, Peter

“…After our successful new and energy-saving production route to prepare bulk skutterudites with high ZTs from commercial powders via cold pressing (CP) and…”
Get full text

Cyclically induced grain growth within shear bands investigated in UFG Ni by cyclic high pressure torsion by Kapp, Marlene Walpurga, Renk, Oliver, Leitner, Thomas, Ghosh, Pradipta, Yang, Bo, Pippan, Reinhard

“…Structural instabilities of nanocrystalline and ultrafine-grained (UFG) materials have been recognized as a major challenge during cyclic loading, especially…”
Get full text

Assessment of different processing strategies to fabricate bulk Mg-Fe nanocomposites by Roostaei, Milad, Uggowitzer, Peter J., Pippan, Reinhard, Renk, Oliver

“…Recent observations indicate that very high deformation temperatures (673 K corresponding to 0.7 of Mg's melting point) by high pressure torsion (HPT) are…”
Get full text

Effect of grain size in compression deformation on the microstructural evolution of an austenitic stainless steel by Rehrl, Christian, Kleber, Siegfried, Renk, Oliver, Pippan, Reinhard

“…► Increasing the starting grain size retards the dynamic recrystallization process. ► Forming compatibility is achieved by grain fragmentation in coarser…”
Get full text

Nanomaterials by severe plastic deformation: review of historical developments and recent advances by Edalati, Kaveh, Bachmaier, Andrea, Beloshenko, Victor A., Beygelzimer, Yan, Blank, Vladimir D., Botta, Walter J., Bryła, Krzysztof, Čížek, Jakub, Divinski, Sergiy, Enikeev, Nariman A., Estrin, Yuri, Faraji, Ghader, Figueiredo, Roberto B., Fuji, Masayoshi, Furuta, Tadahiko, Grosdidier, Thierry, Gubicza, Jenő, Hohenwarter, Anton, Horita, Zenji, Huot, Jacques, Ikoma, Yoshifumi, Janeček, Miloš, Kawasaki, Megumi, Král, Petr, Kuramoto, Shigeru, Langdon, Terence G., Leiva, Daniel R., Levitas, Valery I., Mazilkin, Andrey, Mito, Masaki, Miyamoto, Hiroyuki, Nishizaki, Terukazu, Pippan, Reinhard, Popov, Vladimir V., Popova, Elena N., Purcek, Gencaga, Renk, Oliver, Révész, Ádám, Sauvage, Xavier, Sklenicka, Vaclav, Skrotzki, Werner, Straumal, Boris B., Suwas, Satyam, Toth, Laszlo S., Tsuji, Nobuhiro, Valiev, Ruslan Z., Wilde, Gerhard, Zehetbauer, Michael J., Zhu, Xinkun

“…Severe plastic deformation (SPD) is effective in producing bulk ultrafine-grained and nanostructured materials with large densities of lattice defects. This…”
Get full text

Tailoring Extra-Strength of a TWIP Steel by Combination of Multi-Pass Equal-Channel Angular Pressing and Warm Rolling by Abramova, Marina, Raab, Arseniy, Valiev, Ruslan Z., Khannanova, Anna, Lee, Chong Soo, Kim, Jae Nam, Jang, Gyeong Hyeon, Kim, Jung Gi, Kim, Hyoung Seop, Renk, Oliver, Enikeev, Nariman

“…Increasing the yield stress of twinning-induced plasticity (TWIP) steels is a demanding task for modern materials science. This aim can be achieved by…”
Get full text

Mitigating the detrimental effects of galvanic corrosion by nanoscale composite architecture design by Renk, Oliver, Weißensteiner, Irmgard, Cihova, Martina, Steyskal, Eva-Maria, Sommer, Nicole G., Tkadletz, Michael, Pogatscher, Stefan, Schmutz, Patrik, Eckert, Jürgen, Uggowitzer, Peter J., Pippan, Reinhard, Weinberg, Annelie M.

“…Widespread application of magnesium (Mg) has been prevented by its low strength and poor corrosion resistance. Core of this limitation is Mg’s low…”
Get full text

Anneal Hardening in Single Phase Nanostructured Metals by Renk, Oliver, Pippan, Reinhard

“…Recovery of cold worked metals is associated with a loss of strength due to the reduction of the defect density. However, already in the 1960s analytical…”
Get full text

Severe plastic deformation close to the melting point enables Mg-Fe nanocomposites with exceptional strength by Roostaei, Milad, Uggowitzer, Peter J., Pippan, Reinhard, Renk, Oliver

“…The attractive properties of Mg-bcc nanocomposites have gained increasing interest, but fabrication to bulk scales failed so far as strain immediately…”
Get full text

Interface Engineering at the Nanoscale: Synthesis of Low‐Energy Boundaries by Kapp, Marlene Walpurga, Eckert, Jürgen, Renk, Oliver

“…The low toughness and structural stability of nanostructured materials are strongly related to the numerous grain boundaries and interfaces. Among other design…”
Get full text

Saturation of Grain Fragmentation upon Severe Plastic Deformation: Fact or Fiction? by Renk, Oliver, Hohenwarter, Anton, Edalati, Kaveh, Kapp, Marlene W.

“…There has been general agreement that grain refinement upon severe plastic deformation (SPD) saturates at equivalent strains of 10–20, as a dynamic equilibrium…”
Get full text

Probing defect relaxation in ultra-fine grained Ta using micromechanical spectroscopy by Alfreider, Markus, Issa, Inas, Renk, Oliver, Kiener, Daniel

“…The study of grain boundaries (GBs) in polycrystalline materials is a field of major interest, as many fundamental properties are influenced by their actual…”
Get full text

Combined Fe and O effects on microstructural evolution and strengthening in Cu–Fe nanocrystalline alloys by Guo, Jinming, Shao, Qinqin, Renk, Oliver, Li, Lei, He, Yunbin, Zhang, Zaoli, Pippan, Reinhard

“…Immiscible Cu–Fe composites with various compositions are mechanically alloyed by means of high pressure torsion directly from blended powders and vacuum…”
Get full text

Atomic insights on intermixing of nanoscale nitride multilayer triggered by nanoindentation by Chen, Zhuo, Zheng, Yonghui, Löfler, Lukas, Bartosik, Matthias, Nayak, Ganesh Kumar, Renk, Oliver, Holec, David, Mayrhofer, Paul H., Zhang, Zaoli

“…Mechanical properties of nanoscale multilayer coatings are to a large extent governed by the number of interfaces and their characteristics. While for a…”
Get full text

Controlling the high temperature deformation behavior and thermal stability of ultra-fine-grained W by re alloying by Kappacher, Johann, Renk, Oliver, Kiener, Daniel, Clemens, Helmut, Maier-Kiener, Verena

“…Due to their outstanding properties, ultra-fine-grained tungsten and its alloys are promising candidates to be used in harsh environments, hence it is crucial…”
Get full text

Microstructure evolution and mechanical properties of a lamellar AlCoCrFeNi2.1 eutectic high-entropy alloy processed by high-pressure torsion by Zhang, Zequn, Fellner, Simon, Hohenwarter, Anton, Renk, Oliver, Huang, Yong, Chen, Zhuo, Song, Kaikai, Li, Caiju, Gammer, Christoph, Eckert, Jürgen

“…High-pressure torsion (HPT) was applied to a lamellar eutectic high-entropy alloy (EHEA) to study the effect of severe plastic deformation (SPD) on the…”
Get full text

Correction to: Controlling the high temperature deformation behavior and thermal stability of ultra‑fine‑grained W by re alloying by Kappacher, Johann, Renk, Oliver, Kiener, Daniel, Clemens, Helmut, Maier-Kiener, Verena

“…This article was updated to correct an error in the Editor’s note introduced during production…”
Get full text