相关实验视频

Updated: Jan 16, 2026

Production of Single Tracks of Ti-6Al-4V by Directed Energy Deposition to Determine the Layer Thickness for Multilayer Deposition

Production of Single Tracks of Ti-6Al-4V by Directed Energy Deposition to Determine the Layer Thickness for Multilayer Deposition

Published on: March 13, 2018

激光金属沉积过程参数对CuSn₁₁Bi₃涂层在C45上的结构完整性的影响

Federico Mazzucato¹, Edouard Baer², Samuel Rey-Mermet²

¹Department of Innovative Technologies, University of Applied Science and Arts of Southern Switzerland (SUPSI), Via La Santa 1, 6962 Lugano, Switzerland.

Materials (Basel, Switzerland)

|September 27, 2025

概括

研究人员优化了激光金属沉积 (LMD) 以实现可持续的青铜-钢双金属涂层. 他们通过控制工艺参数和最小化扩散,提高工业应用的结构完整性来实现高密度,无裂纹的CuSn11Bi3涂层.

科学领域:

材料科学与工程材料科学与工程
添加剂制造添加剂制造添加剂制造
表面工程是什么?表面工程是什么?

背景情况:

航空航天,发电和机械行业对可持续双金属结构的需求日益增长.
需要环保的制造工艺和合金,以减少对环境的影响,提高工人的安全.
激光金属沉积 (LMD) 为双金属元件提供了具有成本效益的增材制造解决方案,减少了浪费和能源消耗.

研究的目的:

研究LMD工艺参数对C45钢基板上的CuSn11Bi3涂层质量的影响.
开发一种环保的基于铜的粉末合金,以提高安全性和减少污染.
通过控制池稀释和扩散,实现高密度,无裂纹的涂层.

主要方法:

利用激光金属沉积 (LMD) 在C45钢上创建CuSn11Bi3涂层.
分析了关键的LMD过程参数的影响,包括特定的能量和氧含量.
检查了涂料-基板接口完整性,扩散行为和裂形成机制.

主要成果:

实现了高密度 (高达99.97%) 和无裂纹的CuSn11Bi3涂层.
确定低特异能范围 (17-40 J/mm2) 对于防止稀释和裂纹至关重要.
证明将氧含量最小化 (至0.02%) 和控制Cu/钢的扩散可以防止脆化和裂的传播.

结论:

优化的LMD参数使得在钢上生产高质量,可持续的CuSn11Bi3涂层成为可能.
控制界面扩散对于防止结构缺陷至关重要,例如液体金属脆性裂纹.
开发的基于的合金和LMD工艺为先进的双金属结构提供了可行的环保解决方案.

关键词:

基于的合金.激光金属沉积的方法这是一个双金属结构的结构.化学分析化学分析多种材料的多种材料.

更多相关视频

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Published on: February 8, 2018

In Vitro Evaluation of The Effects Of Er,Cr:YSGG and Diode Lasers Used on Titanium Cylinder

In Vitro Evaluation of The Effects Of Er,Cr:YSGG and Diode Lasers Used on Titanium Cylinder

Published on: June 6, 2025

相关概念视频

Mechanical Characteristics of Steel

Mechanical Characteristics of Steel

The mechanical characteristics of steel are assessed through various tests that evaluate its strength, toughness, and flexibility. These tests include tension, torsion, impact, bending, and hardness assessments, each providing crucial information about steel's suitability for specific applications.
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...