The 尾-relaxation in metallic glasses
Web18 Mar 2011 · Abstract. Most metallic glasses (MGs) exhibit weak evidence of slow β-relaxation in their dynamic mechanical spectroscopy spectra. In contrast to other MGs, the La-based MGs we report here show a distinct slow β-relaxation peak in the mechanical relaxation measurements. We find that the slow β-relaxation behavior can be tuned by … Web29 Aug 2016 · Owing to their glassy nature, metallic glasses demonstrate a toughness that is extremely sensitive to the frozen-in configurational state. This sensitivity gives rise to “annealing embrittlement,” which is often severe and in many respects limits the technological advancement of these materials.
The 尾-relaxation in metallic glasses
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Web6 Jan 2012 · Metallic glasses are commonly brittle, as they generally fail catastrophically under uniaxial tension. Here we show pronounced macroscopic tensile plasticity achieved … Web31 May 2011 · Two decades of research on dynamic heterogeneity (described in the next section) in amorphous materials have established that the formation of rigid amorphous structures is indeed accompanied by …
Web14 Sep 2014 · Focusing on metallic glasses as model systems, we review the features and mechanisms of the β-relaxations, which are intrinsic and universal to supercooled liquids … WebBothe, K., & Neuhäuser, H. (1982). Study of structural relaxation in metallic glasses by modulus measurements. Scripta Metallurgica, 16(9), 1053–1057. doi:10.1016 ...
WebAfter that, a scanning ultrafast nanoindentation technique is used to map out the structure heterogeneity in a Zr-based bulk metallic glass (BMG). With these ongoing research efforts, we hope that more research work could be stimulated in the pursuit of the structure-property relation in MGs. Web29 Jun 2024 · Above the glass transition temperature in metallic glasses, there is a two-step decoupling of relaxation processes: a fast (β) process resembles the rattling and subsequent escape of particles in the cages formed by their nearest neighbors, and a slower (α) process associated with long-range translational motion.
Web8 Jul 2024 · Metallic glass is useful because it is strong, flexible, and resistant to corrosion. However, it is weakened by deformation. Most of the stuff that surrounds us in our daily lives is either made of steel or plastic. …
Web17 Nov 2024 · The Johari-Goldstein β relaxations are intrinsic to almost all glassy materials (10, 11), and they are of significance to the understanding of many crucial unresolved issues in glassy physics and material sciences (11, 13).These include liquid dynamics and anomalies (10, 14), diffusion (), physical aging (), mechanical properties of polymeric and … my network extWeb15 Aug 2024 · By systematically investigating the relaxation behavior of a model metallic glass based on the extensive molecular dynamics (MD) simulations combined with the … my network drives are missingWeb1 May 2013 · Focusing on metallic glasses as model systems, we review the features and mechanisms of the β-relaxations, which are intrinsic and universal to supercooled liquids … old pictures of blyth northumberlandWeb9 May 2016 · Thus, one reasonable scenario for β-relaxation in metallic glasses is local atomic motions or short-range diffusion confined to isolated small regions, which are … my network file for home assistantWeb26 Sep 2013 · The spectra show that in MGs there are two relaxations: (i) the α relaxation, linked to the glass transition, as observed in other classes of amorphous materials; and … my network expert rockville mdWeb27 Dec 2016 · We report that β -relaxation of amorphous NiW alloy film was effectively enhanced by adding two thin crystalline layers into the amorphous layer. Correspondingly, … my network expert scamWeb哪里可以找行业研究报告？三个皮匠报告网的最新栏目每日会更新大量报告，包括行业研究报告、市场调研报告、行业分析报告、外文报告、会议报告、招股书、白皮书、世界500强企业分析报告以及券商报告等内容的更新，通过最新栏目，大家可以快速找到自己想要的内容。 old pictures of bolton