Author Page for Zhonggang Sun

Modified Microstructure and Enhanced Mechanical Performance of Waam-Fabricated 2319 Aluminum Alloy Via Interlayer Friction Stir Processing

Number of pages: 21 Posted: 29 Apr 2025

Zhonggang Sun, Guoqing Dai, Weilong Ye, Yunjing Xing, Jie Yao, Tao Jiang, Yan-hua GUO, Haifei Lu and Jinzhong Lu

Nanjing Tech University, Nanjing Tech University, Nanjing Tech University, Nanjing Tech University, Nanjing Tech University, Northwestern Polytechnic University (NPU), Nanjing Tech University, Jiangsu University and Jiangsu University

Downloads 71 (924,743)

Abstract:

2.

Microstructural Evolution and Mechanical Properties of Wire Arc Additively Manufactured Aluminum Alloys Processed by Different Sequences of Friction Stir Processing and Heat Treatments

Number of pages: 38 Posted: 29 Mar 2025

Siyu Zhou, Likang Xu, Shuo Wang, Han Xie, Yili Zhao, Zhonggang Sun, Guo-qing DAI and Guang Yang

Shenyang Aerospace University, Shenyang Aerospace University, Shenyang Aerospace University, Shenyang Aerospace University, Shenyang Aerospace University, Nanjing Tech University, Nanjing Tech University and Shenyang Aerospace University

Downloads 55 (1,020,567)

Abstract:

3.

Additive Friction Stir Deposition of an Al-Cu Alloy: Microstructure Evolution and Mechanical Properties

Number of pages: 28 Posted: 12 Aug 2024

Xiangnan Feng, Mingtao Zhang, Tao Jiang, Yunfei Xie, Zhonggang Sun and Wenya Li

affiliation not provided to SSRN, affiliation not provided to SSRN, Northwestern Polytechnic University (NPU), affiliation not provided to SSRN, Nanjing Tech University and Northwestern Polytechnic University (NPU) - School of Materials Science and Engineering

Downloads 54 (1,031,043)

Citation 1

Abstract:

4.

Hybrid Additive Manufacturing of High-Performance Al-Cu-Mg Alloys by Laser Melting Deposition and Multiple Cycles Offriction Stirring Processing

Number of pages: 21 Posted: 16 Jun 2023

Guoqing Dai, Qipeng Yan, Fei Niu, Jie Yao, Yan-hua GUO, Zhonggang Sun and Shikai Wu

Nanjing Tech University, affiliation not provided to SSRN, China Academy of Launch Vehicle Technology, Nanjing Tech University, Nanjing Tech University, Nanjing Tech University and Qilu University of Technology

Downloads 52 (1,041,696)

Abstract:

5.

Effect of Different Laser Oscillation Patterns on the Microstructure and Defects of Additive Manufactured Al-Cu-Mg Alloys

Downloads 49 (1,086,013)

Citation 1

2

Effect of Different Laser Oscillation Patterns on the Microstructure and Defects of Additive Manufactured Al-Cu-Mg Alloys

Number of pages: 25 Posted: 14 Jun 2024

Xin Meng, Guoqing Dai, Yan-hua GUO, Xingrong Chu and Zhonggang Sun

Shandong University at Weihai, Nanjing Tech University, Nanjing Tech University, Shandong University at Weihai and Nanjing Tech University

Downloads 25 (1,430,393)

Citation 1

Abstract:

Effect of Different Laser Oscillation Patterns on the Microstructure and Defects of Additive Manufactured Al-Cu-Mg Alloys

Number of pages: 24 Posted: 20 Feb 2024

Xin Meng, Guoqing Dai, Yan-hua GUO, Xingrong Chu and Zhonggang Sun

Shandong University at Weihai, Nanjing Tech University, Nanjing Tech University, Shandong University at Weihai and Nanjing Tech University

Downloads 24 (1,459,262)

Abstract:

6.

Precipitation behavior and mechanical properties of AA6061 fabricated by additive friction stir deposition

Number of pages: 46 Posted: 10 Dec 2025

Haifei Lu, Jie Wu, Yao Yu, Zizhuo Wang, Kaiyu Luo, Chengyun Cui, Zhonggang Sun and Jinzhong Lu

Jiangsu University, Jiangsu University, affiliation not provided to SSRN, affiliation not provided to SSRN, Jiangsu University, Jiangsu University, Nanjing Tech University and Jiangsu University

Downloads 48 (1,145,425)

Abstract:

7.

Hardness Detection in Friction Stir Additive Manufacturing (Fsam) Based on the Ceemdan Algorithm and Laser Ultrasonic Spatially Resolved Acoustic Spectroscopy (Sras)

Number of pages: 17 Posted: 07 May 2025

chenyin ni, Tao SHUAI, Yu-Chen SUN, kaining ying, Guo-qing DAI, Zhonggang Sun and zhonghua shen

Nanjing University of Science and Technology, Nanjing University of Science and Technology, Nanjing University of Science and Technology, Nanjing University of Science and Technology, Nanjing Tech University, Nanjing Tech University and Nanjing University of Science and Technology

Downloads 40 (1,196,171)

Abstract:

8.

Microstructure and Mechanical Properties of Ti-3al-5mo-4cr-2zr-1fe Alloy Fabricated by Laser Deposition Manufacturing and Rolling

Number of pages: 28 Posted: 12 Feb 2023

Zulei Liang, Xiaolong Chen, Guoqing Dai, Zhonggang Sun, Yan-hua GUO, Hui Chang and Lian Zhou

Nanjing Tech University, Nanjing Tech University, Nanjing Tech University, Nanjing Tech University, Nanjing Tech University, Nanjing Tech University and Nanjing Tech University

Downloads 40 (1,183,237)

Abstract:

9.

Solidified Structure and Mechanical Properties Control of 2319 Aluminum Alloy for Ultrasonic Vibration-Assisted Arc-Directed Energy Deposition with Different Amplitudes

Downloads 38 (1,222,651)

Citation 1

2

Solidified Structure and Mechanical Properties Control of 2319 Aluminum Alloy for Ultrasonic Vibration-Assisted Arc-Directed Energy Deposition with Different Amplitudes

Number of pages: 24 Posted: 25 Feb 2025

Xin Meng, Xingrong Chu, Zhonggang Sun, Yan-hua GUO, Guoqing Dai and Wenya Li

Shandong University at Weihai, Shandong University at Weihai, Nanjing Tech University, Nanjing Tech University, Nanjing Tech University and Northwestern Polytechnic University (NPU) - School of Materials Science and Engineering

Downloads 21 (1,500,232)

Citation 1

Abstract:

Solidified Structure and Mechanical Properties Control of 2319 Aluminum Alloy for Ultrasonic Vibration-Assisted Arc-Directed Energy Deposition with Different Amplitudes

Number of pages: 19 Posted: 09 Dec 2024

Xin Meng, Xingrong Chu, Zhonggang Sun, Yan-hua GUO, Guoqing Dai and Wenya Li

Shandong University at Weihai, Shandong University at Weihai, Nanjing Tech University, Nanjing Tech University, Nanjing Tech University and Northwestern Polytechnic University (NPU) - School of Materials Science and Engineering

Downloads 17 (1,537,408)

Abstract:

10.

Investigation on In-Situ Tensile Behaviors of 6061 Aluminum Alloy Fabricated by Wire Additive Friction Stir Deposition

Number of pages: 26 Posted: 20 Aug 2024

Mingtao Zhang, Tao Jiang, Xiangnan Feng, Yunfei Xie, Yu Su, Zhonggang Sun, Yaxin Xu, Weibing Wang and Wenya Li

affiliation not provided to SSRN, Northwestern Polytechnic University (NPU), affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Nanjing Tech University, affiliation not provided to SSRN, affiliation not provided to SSRN and Northwestern Polytechnic University (NPU) - School of Materials Science and Engineering

Downloads 35 (1,277,121)

Citation 4

Abstract:

11.

Friction stir processing of laser directed energy deposited Ti6Al4V alloy for improving mechanical and wear properties

Downloads 34 (1,290,922)

2

Friction stir processing of laser directed energy deposited Ti6Al4V alloy for improving mechanical and wear properties

Number of pages: 45 Posted: 14 Oct 2025

Haifei Lu, Tingfeng Yan, Siyi Lu, Jie Wu, Weiwei Deng, Kaiyu Luo, Guo-qing DAI, Zhonggang Sun and Jinzhong Lu

Jiangsu University, Jiangsu University, Jiangsu University, Jiangsu University, Jiangsu University, Jiangsu University, Nanjing Tech University, Nanjing Tech University and Jiangsu University

Downloads 21 (1,500,232)

Abstract:

Friction stir processing of laser directed energy deposited Ti6Al4V alloy for improving mechanical and wear properties

Number of pages: 46 Posted: 18 Sep 2025

Haifei Lu, Tingfeng Yan, Siyi Lu, Jie Wu, Weiwei Deng, Kaiyu Luo, Guo-qing DAI, Zhonggang Sun and Jinzhong Lu

Jiangsu University, Jiangsu University, Jiangsu University, Jiangsu University, Jiangsu University, Jiangsu University, Nanjing Tech University, Nanjing Tech University and Jiangsu University

Downloads 13 (1,589,301)

Abstract:

12.

Integrated manufacturing of Ti6Al4V alloy by laser directed energy deposition with friction stir processing -induced microstructural evolution and mechanical properties improvement

Number of pages: 44 Posted: 02 Dec 2025

Haifei Lu, Siyi Lu, Tingfeng Yan, Jie Wu, W.W. Deng, Yang Liu, Kaiyu Luo, Chengyun Cui, Zhonggang Sun and Jinzhong Lu

Jiangsu University, affiliation not provided to SSRN, Jiangsu University, Jiangsu University, Jiangsu University, Jiangsu University, Jiangsu University, Jiangsu University, Nanjing Tech University and Jiangsu University

Downloads 32 (1,290,922)

Abstract:

13.

Temporally Optimized Scan Sequencing Enables Support‑Free Overhangs in Laser Powder Bed Fusion

Number of pages: 19 Posted: 11 Mar 2026

Yan-hua GUO, Yansong Meng, Zulei Liang, Guo-qing DAI, Zhonggang Sun, Hui Chang, Lili Chang and Fei Xing

Nanjing Tech University, Nanjing Tech University, Nanjing Tech University, Nanjing Tech University, Nanjing Tech University, Nanjing Tech University, affiliation not provided to SSRN and affiliation not provided to SSRN

Downloads 22 (1,481,165)

Abstract:

14.

Microstructural Evolution and Wear Properties of In-Situ (Tib+Tic)-Reinforced Ti6al4v Matrix Composite Coating by Laser Melting Deposition

Number of pages: 20 Posted: 19 May 2023

Xin Meng, Zhonggang Sun, Xingrong Chu, Yan-hua GUO, Hui Chang and Yaoqi Wang

Shandong University at Weihai, Nanjing Tech University, Shandong University at Weihai, Nanjing Tech University, Nanjing Tech University and affiliation not provided to SSRN

Downloads 18 (1,470,786)

Abstract:

15.

Superior Mechanical Performance of 2024 Al Alloy Fabricated by Additive Friction Stir Deposition

Number of pages: 22 Posted: 27 Jan 2026

Xiang Zhou, Kai Zhang, Zhonggang Sun, Fei Xing and Weijun Liu

Shenyang University of Technology, Shenyang University of Technology, Nanjing Tech University, Northeastern University (USA) and Shenyang University of Technology

Downloads 12 (1,534,404)

Abstract:

16.

Effects of beam oscillation on microstructure evolution and wear behavior in laser cladding of 2024 aluminum alloy

Number of pages: 24 Posted: 08 Jun 2026

Xin Meng, Yuehua Cao, Guo-qing DAI, Yan-hua GUO, Zhonggang Sun, Xingrong Chu and Zongtao Zhu

affiliation not provided to SSRN, affiliation not provided to SSRN, Nanjing Tech University, Nanjing Tech University, Nanjing Tech University, Shandong University at Weihai and Southwest Jiaotong University

Downloads 8

Zhonggang Sun

Nanjing Tech University

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