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基于能源的方法来预测增材制造的ABS/GNP复合材料的疲劳寿命

Soran Hassanifard1, Kamran Behdinan1

  • 1Advanced Research Laboratory for Multifunctional Lightweight Structures (ARL-MLS), Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada.

Polymers
|August 14, 2025
PubMed
概括

一个新的模型准确地预测了3D打印的ABS/石墨烯复合材料的疲劳寿命,特别是负平均应力. 这种以能源为基础的方法提高了烯丁 styrene (ABS) 和石墨烯纳米板块 (GNP) 复合材料的材料耐用性预测.

关键词:
在ABS/GNP复合材料中.添加剂制造 添加剂制造 添加剂制造基于能源的方法基于能源的方法.疲劳生活 疲劳生活划分因子 划分因子

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Fatigue01:21

Fatigue

Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
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Fatigue Strength of Concrete

Fatigue, in the context of materials science and engineering, refers to the weakening or failure of a material caused by repeatedly applied loads, even if these loads are below the strength limit of the material. Fatigue strength in concrete is a critical property that influences its durability and longevity. Concrete can fail in two ways due to fatigue. Static fatigue or creep rupture occurs under a constant load or one that increases slowly. The other failure mode is due to cyclical or...
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Design Consideration01:22

Design Consideration

Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
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