<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Melt Pool on 戴瑞航</title><link>https://www.dairuihang.com/zh/tags/melt-pool/</link><description>Recent content in Melt Pool on 戴瑞航</description><generator>Hugo</generator><language>zh</language><lastBuildDate>Tue, 01 Apr 2025 00:00:00 +0200</lastBuildDate><atom:link href="https://www.dairuihang.com/zh/tags/melt-pool/index.xml" rel="self" type="application/rss+xml"/><item><title>PBF-LB/M 中的激光光束整形</title><link>https://www.dairuihang.com/zh/projects/laser-beam-shaping/</link><pubDate>Sat, 01 Jun 2024 00:00:00 +0200</pubDate><guid>https://www.dairuihang.com/zh/projects/laser-beam-shaping/</guid><description>环形、双光斑与逆向设计光束轮廓如何改变熔池行为、微观组织与生产效率。</description></item><item><title>Impact of beam shaping on melt pool behavior in laser processing of stainless steel 316L: Thermal analysis using multispectral imaging</title><link>https://www.dairuihang.com/zh/publications/2025-jmpt-beam-shaping-melt-pool/</link><pubDate>Tue, 01 Apr 2025 00:00:00 +0200</pubDate><guid>https://www.dairuihang.com/zh/publications/2025-jmpt-beam-shaping-melt-pool/</guid><description>&lt;p&gt;本文用标定后的多光谱成像分析了环形激光光束与高斯光束在 316L 不锈钢激光加工中对熔池温度分布的影响。高斯光束形成集中热区，峰值温度随功率线性上升；环形光束则在较低功率下引发表面熔化、较高功率下完全熔化，并呈现特征性的半月形温度分布，对 PBF-LB/M 中光束形状的选择和过程稳定性有直接意义。&lt;/p&gt;</description></item></channel></rss>