世界有色金属Issue(20)：211-213,3.
探究金属材料力学性能测试中存在的不确定度
Exploring the Uncertainty in Testing the Mechanical Properties of Metal Materials
摘要
Abstract
This article provides a detailed introduction to common methods and processes for testing the mechanical properties of metal materials.Then,through a comprehensive analysis of existing literature and experimental data,potential sources of uncertainty that may arise during the testing process were identified and summarized.In terms of experimental equipment,parameter calibration,equipment errors,and measurement device inaccuracies have been identified as possible sources of uncertainty.In terms of sample preparation,sample size,sampling location,and preparation method are considered to have a significant impact on the test results.In terms of test conditions,factors such as environmental temperature,humidity,and test speed may also lead to uncertainty in test results.To reduce these uncertainties,this article proposes a series of solutions and suggestions.For example,reducing equipment errors through regular calibration and maintenance of equipment;Adopting a unified sample preparation method to ensure consistency in sampling;Control the experimental conditions and reduce the impact of environmental factors on the test results.Finally,quantitative analysis was conducted on the impact of different sources of uncertainty through data chart analysis.The results indicate that equipment errors and sample size have a significant impact on the test results and should be taken seriously.The uncertainty in the testing of mechanical properties of metal materials is a complex problem that requires comprehensive consideration of multiple factors.By recognizing and reducing these uncertainties,the accuracy and reliability of metal material mechanical performance testing can be improved.关键词
不确定度/力学性能测试/金属材料/数据分析Key words
uncertainty/Mechanical performance testing/Metal materials/Data analysis分类
矿业与冶金引用本文复制引用
侯飞..探究金属材料力学性能测试中存在的不确定度[J].世界有色金属,2023,(20):211-213,3.基金项目
大同市科技局项目-建筑信息模型(BIM)技术及集成应用(607-02030404). （BIM）
