基于LCA绿色材料选择的探讨

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The selection of materials in the green design is a key step ,According to the LCA process of green product features ,the article analyzed the characteristics of the material in the LCA and raised the general principle of selection. The Multi-objective and complexity of green materials selection on LCA is researched,established the multi-objective and decision-making model on the performance ,the cost and the environment property of materials by the quantitative methods. And specific to the multi-objective selection of materials on LCA,qualitative and quantitative methods are used to analyze from the entire process of the list. Consequently,the index factar of Material Life Cycle Assessment is proposed,moreover,it is established a certain evaluation system.材料的选择是绿色设计中极为关键的一步，根据绿色产品的LCA过程特点，分析了材料在LCA的特性并提出了其一般选择原则。探讨了面向LCA绿色材料选择的多目标性和复杂性，用定量的方法从材料的性能、成本和环境属性出发建立起了多目标性的决策模型。同时针对LCA材料选择的多目标性，从整个工艺清单出发，用定性与定量化相结合的方法进行分析，从而提出了材料选择寿命周期评价指标系数，并建立了一定评价体系。