为延长寿命产品的设计提出材料选择指标
Marco Granados-Sarmiento1, Jenaan Tarabein-Omairi1, Humberto Gomez2
1Department of Mechanical Engineering, Universidad del Norte, Barranquilla, Colombia.
Scientific reports
|October 24, 2025
概括
这项研究引入了特定耐用性性能,这是一个结合材料耐用性和碳足迹的新指标. 这有助于选择可持续材料,平衡产品的性能和环境影响,使产品的寿命长.
科学领域:
- 材料科学 材料科学 材料科学
- 可持续发展工程 可持续性工程
- 产品设计 产品设计
背景情况:
- 在建筑,汽车和电子等行业中,材料耐用性对于产品的寿命,安全性和成本效益至关重要.
- 现有的材料选择框架往往忽视了耐用性与环境影响和循环经济原则的整合.
- 对可持续材料的需求越来越大,这些材料可以平衡高性能与减少生命周期环境足迹.
研究的目的:
- 引入一种定量方法,即特定耐久性性能 (SDP),用于评估材料.
- 将碳足迹的多个耐用性方面 (机械,热,化学) 整合到一个单一的指标中.
- 促进材料选择,以平衡产品性能与环境可持续性.
主要方法:
- 计算了材料的关键耐久性参数 (抗拉强度,耐疲劳性,温度范围,易燃性,耐化学物质).
- 基于特定产品使用要求的加权耐用性参数.
- 与理想的参考材料相比,对耐用性尺寸和碳足迹进行了基准测试.
- 将结果综合到一个单一的SDP评分 (0.0-1.0) 中,平衡性能和可持续性.
主要成果:
- 开发了特定耐用性性能 (SDP) 指标,该指标的综合分数从0.0到1.0.0.
- 在两个不同的案例研究中证明了SDP的实用性,其设计需求各不相同.
- 该SDP指标成功地确定了具有强大的性能和较低的环境影响的材料.
结论:
- 特定耐久性性能指标为材料选择提供了一种全新的,综合的方法.
- SDP帮助设计师和工程师选择符合性能标准的材料,同时最大限度地减少环境足迹.
- 这种定量方法支持采用符合循环经济目标的可持续材料.
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