標題: Titlebook: Basic Modeling and Theory of Creep of Metallic Materials; Rolf Sandstr?m Book‘‘‘‘‘‘‘‘ 2024 The Editor(s) (if applicable) and The Author(s) [打印本頁] 作者: 啞劇表演 時間: 2025-3-21 18:54
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書目名稱Basic Modeling and Theory of Creep of Metallic Materials讀者反饋學科排名
作者: 背書 時間: 2025-3-21 21:15
Thinking the Flesh with Paul Ricoeurlso handle low temperatures and high stresses that is usually referred to as the power-law break down regime. It is illustrated that the creep model can represent the creep rate for pure metals such as Al and Ni.作者: 貞潔 時間: 2025-3-22 01:54 作者: 連鎖,連串 時間: 2025-3-22 08:22 作者: granite 時間: 2025-3-22 11:16
Psychology and Philosophy of Science,antly overestimated. Models both for diffusion and strain controlled growth have been available for a long time. A recently developed model for strain controlled growth is presented based on GBS. It has the advantage that is associated with a well-defined initiation size of cavities and that constra作者: 忍受 時間: 2025-3-22 15:54
https://doi.org/10.1007/978-3-030-18971-6static loading. In spite of this, the number of studies of cavitation during cyclic loading is quite limited. One set of data exists for a 1Cr0.5Mo steel. The static cavitation models have been transferred to cyclic conditions. It is demonstrated that these models can describe the cavitation both du作者: 離開真充足 時間: 2025-3-22 19:17
https://doi.org/10.1007/978-3-030-18971-6 is often local and therefore gives a modest contribution to the creep rate. According Hart’s criterion, necking starts right at the beginning of the tertiary stage. But the necking is not fully developed until close to rupture. This is demonstrated both by uniaxial and multiaxial models and it is a作者: minion 時間: 2025-3-22 22:17 作者: 爆炸 時間: 2025-3-23 05:23
Book‘‘‘‘‘‘‘‘ 2024ciples. Notably, these models stand apart by their conspicuous absenceof adjustable parameters. This pioneering effort is envisioned as a groundbreaking initiative, marking the first of its kind in the field. The resulting models, bereft of arbitrary tuning, offer a level of predictability hitherto 作者: Mirage 時間: 2025-3-23 06:08
0933-033X ters. This pioneering effort is envisioned as a groundbreaking initiative, marking the first of its kind in the field. The resulting models, bereft of arbitrary tuning, offer a level of predictability hitherto 978-3-031-49509-0978-3-031-49507-6Series ISSN 0933-033X Series E-ISSN 2196-2812 作者: CLAP 時間: 2025-3-23 10:05 作者: 生銹 時間: 2025-3-23 14:47 作者: crockery 時間: 2025-3-23 19:44
Cells and Subgrains. The Role of Cold Work,t at elevated temperatures. It is also the basis for the effect of cold work on creep. The models can quantitatively describe why the creep rate can be reduced by up to six orders of magnitude for Cu after cold work.作者: charisma 時間: 2025-3-23 23:07 作者: 否認 時間: 2025-3-24 05:32 作者: 過于平凡 時間: 2025-3-24 08:58
Tertiary Creep, is often local and therefore gives a modest contribution to the creep rate. According Hart’s criterion, necking starts right at the beginning of the tertiary stage. But the necking is not fully developed until close to rupture. This is demonstrated both by uniaxial and multiaxial models and it is a作者: intricacy 時間: 2025-3-24 11:48
Extrapolation,ted values should be estimated. Using the basic creep models presented in this book, prediction of rupture strength and ductility can be made in a safer way. It is demonstrated for Cu that accurate extrapolation of many order of magnitude in the creep rate can be made, which is never possible with e作者: 減震 時間: 2025-3-24 14:57 作者: MOTTO 時間: 2025-3-24 21:53
978-3-031-49509-0The Editor(s) (if applicable) and The Author(s) 2024作者: Fortify 時間: 2025-3-25 00:56 作者: 沒有貧窮 時間: 2025-3-25 06:03 作者: 空洞 時間: 2025-3-25 08:09 作者: 下垂 時間: 2025-3-25 14:14
Thinking the Flesh with Paul Ricoeurd that are describe in the book are summarized. The starting point is a basic model for the dislocation density that is used to derive expression for tensile and creep properties. It is described how the accuracy of the basic models can be verified. For the creep models it is described that they are作者: Physiatrist 時間: 2025-3-25 16:14
Thinking the Flesh with Paul Ricoeur result of a balance between work hardening and recovery processes, which allows for a continues plastic deformation without raising the stress. The starting point for the basic modeling of creep is a differential equation for the dislocation density that describes how it varies with strain or time.作者: conformity 時間: 2025-3-25 21:26 作者: Blanch 時間: 2025-3-26 01:01 作者: Cloudburst 時間: 2025-3-26 06:12
Heidegger and the Question of Physicsrved for an austenitic stainless steel. The time dependence of the primary creep verifies that it is dislocation creep. An other example is for Al at very high temperatures (Harper-Dorn creep), where at sufficiently low stresses, the stress exponent approaches 1. For both materials higher stresses g作者: 有節(jié)制 時間: 2025-3-26 11:56 作者: 饑荒 時間: 2025-3-26 14:20
https://doi.org/10.1007/978-94-009-0049-3 to establish models for elevated temperatures. In fact, empirically the room temperature models have also been used at higher temperatures. This gives the wrong temperature dependence and overestimates PH. It was for a long time thought that it was an energy barrier for climb across particles that 作者: Yourself 時間: 2025-3-26 20:19 作者: staging 時間: 2025-3-27 00:06 作者: 價值在貶值 時間: 2025-3-27 03:21
Psychology and Philosophy of Science,ted in the grain boundaries. The nucleation takes place at particles or at subboundary—grain boundary junctions. The main mechanism is believed to be grain boundary sliding (GBS), Chap. .. According to the double ledge model, cavities are formed when the particles or subboundaries meet other subboun作者: 灰心喪氣 時間: 2025-3-27 07:05 作者: Hemoptysis 時間: 2025-3-27 12:15
https://doi.org/10.1007/978-3-030-18971-6rate such as particle coarsening, substructure coarsening, cavitation, changes in the dislocation density and necking. A large number of empirical models exist for the description of tertiary creep and the development of creep damage not least in the context of continuum damage mechanics (CDM). Howe作者: Grating 時間: 2025-3-27 16:10 作者: Spina-Bifida 時間: 2025-3-27 21:32
https://doi.org/10.1007/978-3-319-65400-3temperaturer parameters (TTPs). In this way data from several test temperatures are combined to a single master curve that can be used to assess rupture strengths at long times. Recently, there is much focus on machine learning techniques (neural networks, NNs). Both types of procedures can generate作者: foliage 時間: 2025-3-28 00:57
Book‘‘‘‘‘‘‘‘ 2024dating the underlying mechanical properties governing their response at elevated temperatures, particularly in the context of polycrystalline alloys. Traditional approaches to characterizing mechanical properties have historically relied upon empirical models replete with numerous adjustable paramet作者: Indecisive 時間: 2025-3-28 02:43
0933-033X imental data.Significantly contributes to enhancing understaThis open access book features an in-depth exploration of the intricate creep behavior exhibited by metallic materials, with a specific focus on elucidating the underlying mechanical properties governing their response at elevated temperatu作者: Commemorate 時間: 2025-3-28 09:22
Thinking the Flesh with Paul Ricoeurtensile and creep properties. It is described how the accuracy of the basic models can be verified. For the creep models it is described that they are applicable over a wide range of temperatures and stresses that is of great value to identify operating mechanisms.作者: 的’ 時間: 2025-3-28 11:02
Psychology and Philosophy of Science,riments for Cu. The most import effect of GBS is that it gives rise to the initiation of creep cavities, Chap. .. GBS is also the main mechanism for superplasticity. A basic model for superplasticity is presented.作者: 支架 時間: 2025-3-28 14:51 作者: PON 時間: 2025-3-28 19:35
Grain Boundary Sliding,riments for Cu. The most import effect of GBS is that it gives rise to the initiation of creep cavities, Chap. .. GBS is also the main mechanism for superplasticity. A basic model for superplasticity is presented.作者: 和藹 時間: 2025-3-28 23:11
Scott Davidson,Marc-Antoine Vallée the literature it is frequently assumed that dynamic recovery is controlled by cross-slip. However, the measured activation energy for dynamic recovery is many times smaller than the energy required to make partial dislocations brought together and form a constriction, which is necessary to enable cross-slip, so this is an unlikely possibility.作者: Dissonance 時間: 2025-3-29 03:08 作者: 枕墊 時間: 2025-3-29 09:12 作者: 無關緊要 時間: 2025-3-29 15:22 作者: 誹謗 時間: 2025-3-29 17:08
Solid Solution Hardening,es give rise to a drag force that slows down the motion of the dislocations. Fast diffusing elements have to break away from the dislocations to enable their motion. This creates a break stress that is the source of SSH in this case.作者: Arbitrary 時間: 2025-3-29 22:48
Precipitation Hardening,articles larger than a critical size have to be passed by the Orowan mechanism, because there is not time enough for dislocations to climb across these particles. This mechanism was finally verified for Cu–Co alloys.作者: choleretic 時間: 2025-3-30 01:30 作者: neuron 時間: 2025-3-30 06:00
: The Film World as Representationr creep deformation and cavitation, the rupture stress and ductility can be predicted. Several models exist for the influence of multiaxiality on the creep ductility. Although the models are based on different principles, they predict approximately the same behavior, which is verified by comparison to rupture data for notched bars.作者: craving 時間: 2025-3-30 08:37
Primary Creep,ata. For the martensitic 9–12% Cr steels at least two dislocation densities are needed to represent primary creep because the initial dislocation density is high contrary to the situation for annealed fcc materials.作者: Fantasy 時間: 2025-3-30 14:12 作者: 辭職 時間: 2025-3-30 19:03 作者: obnoxious 時間: 2025-3-31 00:44
Stationary Creep, result of a balance between work hardening and recovery processes, which allows for a continues plastic deformation without raising the stress. The starting point for the basic modeling of creep is a differential equation for the dislocation density that describes how it varies with strain or time.作者: Inordinate 時間: 2025-3-31 03:22 作者: LEVER 時間: 2025-3-31 08:43
Primary Creep,g to the phi model, the creep rate is linear in strain and time in a double logarithmic diagram. When using empirical descriptions of the creep curves, these models are recommended. Several basic models for primary creep are derived. They are based on the creep rate in the secondary stage. This mean作者: 敬禮 時間: 2025-3-31 09:45
