Dr jinlan An | Microstructure and Properties | Best Researcher Award

Dr. Jinlan An is a Lecturer at the Key Laboratory of Fundamental Science for National Defense of Aeronautical Digital Manufacturing Process, Shenyang Aerospace University . Her research focuses on advanced materials engineering, particularly the laser deposition repair of GH4169 alloy and its microstructural evolution under electric pulsed current . By studying phase transformations such as the dissolution of Laves phase and precipitation of γ″ phase, she aims to enhance mechanical strength and durability of aerospace components . Dr. An’s work is highly relevant to aerospace repair, additive manufacturing, and metallurgical innovation, marking her as a rising talent in the field .

Dr jinlan An, Shenyang Aerospace University, China

Profile

SCOPUS

Experience

Dr. Jinlan An currently serves as a Lecturer at the Key Laboratory of Fundamental Science for National Defense of Aeronautical Digital Manufacturing Process, Shenyang Aerospace University . Her professional work focuses on laser deposition repair of high-performance alloys, particularly GH4169 . She specializes in examining the effects of electric pulsed current on microstructural evolution, including the behavior of phases like the Laves phase and γ″ precipitation . Through this, she aims to enhance mechanical properties such as strength and durability . Her experience aligns strongly with applications in aerospace repair, additive manufacturing, and defense materials .

Research Project 

Dr. Jinlan An is currently leading a research project on the evolution of phase transformations in GH4169 alloy during laser deposition repair under the influence of electric pulsed current . Her work aims to understand how specific microstructural changes—such as Laves phase dissolution and γ″ phase precipitation—affect the mechanical properties of the repaired alloy . This project has crucial implications for aerospace applications, where material reliability and strength are critical . By optimizing energy input and phase behavior, her study contributes to advanced metallurgical techniques and more efficient additive manufacturing workflows .

Research Focus

Dr. Jinlan An’s research centers on the microstructure and properties of GH4169 nickel-based superalloy subjected to laser deposition repair combined with electric pulsed current . She investigates how phase transformations—including Laves phase dissolution and γ″ precipitate formation—govern mechanical behavior such as tensile strength, hardness, and fatigue resistance . By correlating processing parameters (energy density, pulse duration) with microstructural evolution (grain size, phase distribution), she aims to tailor material performance for critical aerospace components . Her work advances additive manufacturing and defense materials by optimizing repair strategies to achieve reliable, high-performance alloys .

Contributions

Dr. Jinlan An has made impactful contributions to understanding the mechanical enhancement of GH4169 alloy through laser deposition repair under electric pulsed current . Her findings show that mechanical strength improves as energization time increases . She discovered the partial dissolution of the Laves phase into the matrix and the precipitation of the γ″ phase, which grows in size with longer current exposure . These insights reveal how phase evolution directly influences alloy performance, offering valuable guidance for repair strategies in aerospace materials engineering and advanced metallurgy .

Publications

Mechanism of Improving Microstructures of Laser Deposition Repaired GH4169 Alloy by Pulse Current
Authors: J. An, Jinlan; H. Li, Haopu; S. Zhou, Song; B. Gao, Bo; F. Chen, Fulong
Journal: Zhongguo Jiguang / Chinese Journal of Lasers, 2025
Theme: Microstructure optimization, GH4169 alloy, pulse current, laser deposition repair
Highlights: Investigates how pulse current enhances the microstructure during laser deposition repair of high-performance alloys

Effect of Heat Treatment on Microstructure and Mechanical Properties of TA15 Titanium Alloy Repaired by Laser Deposition
Authors: S. Zhou, Song; L. Wang, Lanbin; J. An, Jinlan; B. Wu, Bin; X. Zhang, Xiaochen
Journal: Journal of Materials Engineering and Performance, 2025
Theme: Heat treatment, titanium alloy, microstructure-performance relationship, laser repair
Highlights: Explores how post-repair heat treatment influences structural integrity and mechanical properties of TA15 alloy