纳米压痕方法在力学实验教学探索中的应用APPLICATION ON NANOINDENTATION METHOD IN TEACHING EXPLORATION OF MECHANICAL EXPERIMENT
乔吉超,陶凯
摘要(Abstract):
本文针对力学实验教学的改革需求,提出了引入纳米压痕技术作为教学手段的创新方案。实验教学作为培养大学生理论与实践创新能力的重要途径,如何在现有条件下设计丰富且高效的教学方案,成为当前力学实验教学改革的关键问题。本文以非晶合金这一先进结构材料为载体,通过纳米压痕实验测量其弹塑性行为,探索了一种新的力学实验教学模式。纳米压痕技术具有快速、精确的测量特点,能够直观地展示材料的力学性能,非常适合用于实验教学。通过将这一先进技术引入课堂,学生不仅能够观察到非晶合金在压入过程中的弹塑性行为,还能通过数据分析深入理解材料的力学特性。这种教学方式不仅提升了学生的理论知识掌握能力,还显著增强了他们的动手实践能力。现场教学实践表明,基于纳米压痕实验的教学方案能够有效调动学生的学习积极性。学生在实验过程中不仅能够直观地理解理论知识,还能通过实际操作培养科学研究的思维方式和创新意识。这种教学模式为学生提供了从理论到实践的全方位训练,有助于培养他们的综合能力和创新精神。
关键词(KeyWords): 纳米压痕;非晶合金;教学探索;力学实验
基金项目(Foundation): 西北工业大学教育教学改革研究项目资助项目(项目编号:2025JGZ17);西北工业大学研究生教育综合改革发展创新项目(课程改革专项,项目编号:KCJG202513)
作者(Author): 乔吉超,陶凯
参考文献(References):
- [1] 李银银,蒋玮.基于纳米压痕的激光修复层晶体材料常数反演方法[J].机械工程学报,2021,57(2):97-104.LI Y Y,JIANG W.Extracting Crystal Parameters of Laser Repaired Layer by Nanoindentation[J].Journal of Mechanical Engineering,2021,57(2):97-104.(in Chinese)
- [2] 张泰华,杨业敏.纳米硬度技术的发展和应用[J].力学进展,2002,32(3):349-364.HANG T H,YANG Y M.Development and application of nano-hardness technology[J].Advances in Mechanics,2002,32(3):349-364.(in Chinese)
- [3] 张泰华,杨业敏,赵亚溥,等.MEMS材料力学性能的测试技术[J].力学进展,2002,32(4):545-562.ZHANG T H,YANG Y M,ZHAO Y P,et al.easurement of mechanical properties of mems materials[J].Advances in Mechanics,2002,32(4):545-562.(in Chinese)
- [4] T Rouxel,J I Jang,U Ramamurty.Indentation of glasses[J].Progress in Materials Science,2021;121:100834
- [5] 乔吉超,张浪渟,童钰,等.基于微观结构非均匀性的非晶合金力学行为[J].力学进展,2022,52(1):117-152QIAO J C,ZHANG L T,TONG Y,et al.Mechancial properties of amorphous alloys:In the framework of the microstructure heterogeneity[J].Advances in Mechanics,2022,52(1):117-152.(in Chinese)
- [6] 郝奇,乔吉超,Jean-Marc Pelletier.锆基非晶合金的动态弛豫机制和高温流变行为[J].力学学报,2020,52(2):360-368.HAO Q,QIAO J C,PELLETIER J M.Dynamic relaxation characteristics and high temperature flow behavior of Zr-based bulk metallic glass[J].Chinese Journal of Theoretical and Applied Mechanics,2020,52(2):360-368.(in Chinese)
- [7] 关丽,王淑芳.物理学类课程思政建设成效评价体系的思考[J].物理与工程,2022,32(1):179-183.GUAN L,WANG S F.Thinking on the evaluation system of ideological and political education in physic scourses[J].Physics and Engineering,2022,32(1):179-183.(in Chinese)
- [8] 李晨,孙伟,唐静静,等.基础力学课程教学设计浅析[J].力学与实践,2022,44(1):218-224.LI C,SUN W,TANG J J,et al.Analysis on teaching design of elementary mechanics[J].Mechanics in Engineering,2022,44(1):218-224.(in Chinese)
- [9] 王学德,陈少松,胡常莉,等.大类招生背景下能源动力类本科生流体力学跨专业教学的探索与实践[J].力学与实践,2021,43(2):278-284.WANG X D,CHEN S D,HU C L,et al.Interdisciplinary teaching of fluid mechanics for energy and power undergraduates in view of major category enrollment mode[J].Mechanics in Engineering,2021,43(2):278-284.(in Chinese)
- [10] 胡海岩.力学教育的几个问题及其对策[J].力学与实践,2020,42(5):598-602HU H Y.Some problems and their solutions in mechanics education[J].Mechanics in Engineering,2020,42(5):598-602.(in Chinese)
- [11] 白莉,刘玉泉,倪玲英,等.融入创新性试验的流体力学研究性课程[J].力学与实践,2018,40(1):89-92BAI L,LIU Y Q,NI L Y,et al.Integrating innovative experiments into fluid mechanics research-based course[J].Mechanics in Engineering,2018,40(1):89-92.(in Chinese)
- [12] 叶贵根,薛世峰,戴兰宏.高速切削实验平台在力学实验教学中的应用[J].实验力学,2016,31(5):715-722YE G G,XUE S F,DAI L H.On the application of high speed cutting experimental platform in mechanics experiment teaching[J].Jourmal of Experimental Mechanics,2016,31(5):715-722.(in Chinese)
- [13] 沙毅,李其朋,李勇.流体力学计算机仿真实验教学的开发与设计[J].实验力学,2018,33(4):655-664SHA Y,LI Q P,LI Y.On the development and design in mmputer simulation experiment teaching of fluid mechanics[J].Journal of Experimental Mechanics,2018,33(4) 2655-661.(in Chinese)
- [14] OLIVER W C,PHARR G M.An improved technique for determining hardness and elastic modulus using load and displacement sensing indentation experiments[J].Journal of Materials Research,1992,7(6):1564-1583.
- [15] TAO K,HE X,LU H,et al.Model for the onset of plasticity and hardness in bulk metallic glasses investigated by nanoindentation with a spherical indenter[J].International Journal of Solids and Structures,2025,310:113238.
- [16] TAO K,KHONIK V A,QIAO J C.Indentation creep dynamics in metallic glasses under different structural states[J].International Journal of Mechanical Sciences,2023,240:107941.
- [17] TAO K,LI F,LIU Y,et al.Distinct avalanche dynamics detected in metallic glasses with high energy state revealing the crack-like shear banding mechanism[J].International Journal of Plasticity,2024,174:103873.