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钕钇铝石榴石激光标记不锈钢（AISI 304和AISI 316）的结构与微观力学性能

Structural and Micromechanical Properties of Nd:YAG Laser Marking Stainless Steel (AISI 304 and AISI 316).

作者信息

Dywel Piotr, Szczesny Robert, Domanowski Piotr, Skowronski Lukasz

机构信息

Faculty of Mechanical Engineering, UTP University of Science and Technology, Kaliskiego 7, 85-796 Bydgoszcz, Poland.

Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland.

出版信息

Materials (Basel). 2020 May 8;13(9):2168. doi: 10.3390/ma13092168.

DOI:10.3390/ma13092168
PMID:32397117
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7254237/
Abstract

The purpose of this study is to examine the microstructure and micromechanical properties of pulsed-laser irradiated stainless steel. The laser marking was conducted for AISI 304 and AISI 316 stainless steel samples through a Nd:YAG (1064 nm) laser. The influence of process parameters such as the pulse repetition rate and scanning speed have been considered. The microstructures of obtained samples were analyzed using confocal optical microscopy (COM). The continuous stiffness measurements (CSM) technique was applied for nanoindentional hardness and elastic modulus determination. The phase compositions of obtained specimens were characterized by X-ray diffraction (XRD) and confirmed by Raman spectroscopy. The results revealed that surface roughness is directly related to overlapping distance and the energy provided by a single pulse. The hardness of irradiated samples changes significantly with the indentation depth. The instrumental hardness H and elastic modulus E drop sharply with the rise of the indentation depth. Thus, the hardness enhancement can be observed as the indentation depth varies between 100-1000 nm for all exanimated samples. The maximum values of H and E were evaluated for the region of small depths (100-200 nm). The XRD results reveal the presence of iron and chromium oxides due to irradiation, which indicates a surface hardening effect.

摘要

本研究的目的是研究脉冲激光辐照不锈钢的微观结构和微机械性能。通过Nd:YAG（1064nm）激光对AISI 304和AISI 316不锈钢样品进行激光打标。考虑了诸如脉冲重复率和扫描速度等工艺参数的影响。使用共焦光学显微镜（COM）分析所得样品的微观结构。采用连续刚度测量（CSM）技术测定纳米压痕硬度和弹性模量。通过X射线衍射（XRD）对所得试样的相组成进行表征，并通过拉曼光谱进行确认。结果表明，表面粗糙度与重叠距离和单个脉冲提供的能量直接相关。辐照样品的硬度随压痕深度显著变化。仪器硬度H和弹性模量E随着压痕深度的增加而急剧下降。因此，对于所有测试样品，当压痕深度在100-1000nm之间变化时，可以观察到硬度增强。在小深度区域（100-200nm）评估了H和E的最大值。XRD结果表明，辐照导致铁和铬氧化物的存在，这表明存在表面硬化效应。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/c8ec38eca698/materials-13-02168-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/9c354d7a5322/materials-13-02168-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/4a2debb41596/materials-13-02168-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/a742d4a19972/materials-13-02168-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/938233eb376b/materials-13-02168-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/d6cc6dba28b9/materials-13-02168-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/0415b5c0f151/materials-13-02168-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/b6d6dd5065f6/materials-13-02168-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/48ba3a5c66d8/materials-13-02168-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/c8ec38eca698/materials-13-02168-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/9c354d7a5322/materials-13-02168-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/4a2debb41596/materials-13-02168-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/a742d4a19972/materials-13-02168-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/938233eb376b/materials-13-02168-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/d6cc6dba28b9/materials-13-02168-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/0415b5c0f151/materials-13-02168-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/b6d6dd5065f6/materials-13-02168-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/48ba3a5c66d8/materials-13-02168-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e681/7254237/c8ec38eca698/materials-13-02168-g009.jpg

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本文引用的文献

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