CAMP 发表于 2025-3-28 18:21:07

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tattle 发表于 2025-3-28 21:46:10

Lobbying für erneuerbare Energien in the shaping of the material. In the early days of the Bronze Age and the Iron Age the difficulties were both in production and shaping. For many centuries metal-working was laborious and extremely costly. Estimates go that the equipment of a knight and horse in the thirteenth century was of the

过滤 发表于 2025-3-29 02:34:51

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卵石 发表于 2025-3-29 05:27:16

Doris Dialer,Margarethe Richterice, materials (especially metals) tend to exhibit a yield stress, above which they deform plastically. This means that there is always a region around the tip of a crack in a metal, where plastic deformation occurs, and hence a stress singularity cannot exist. The plastic region is known as the cra

Myosin 发表于 2025-3-29 07:48:01

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正式通知 发表于 2025-3-29 13:18:40

https://doi.org/10.1007/978-3-531-91461-9ility behaviour. Fracture instability occurs, when upon crack extension, the elastic energy release rate . remains larger than the crack resistance .. The surplus of released energy, (.), can be converted into kinetic energy. This kinetic energy is associated with the rapid movement of the material

Lime石灰 发表于 2025-3-29 15:38:21

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Arroyo 发表于 2025-3-29 21:14:48

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缩减了 发表于 2025-3-29 23:58:18

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使增至最大 发表于 2025-3-30 07:26:05

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查看完整版本: Titlebook: Elementary engineering fracture mechanics; David Broek Book 1982 Martinus Nijhoff Publishers, The Hague 1982 alloy.cracks.damage.dynamics.