Department Of Surface Treatment And Thermal Spraying

14/11/2025 - 04:25 PM

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CÁC THÀNH TỰU CHÍNH

Functions: To conduct scientific research and technology development in the fields of surface treatment and thermal spraying.

Mandates:

To research, develop, and manufacture materials and technologies in the areas of surface treatment and thermal spraying;
To research and synthesize materials for application across industrial and civil sectors;
To investigate the impact of tropical climates on the properties and performance of materials and thermal spraying;
To test and evaluate the durability of materials and coatings within the framework of tropical technology;
To engage in training, international cooperation, application deployment, standards development, consulting, and technology transfer in the fields of tropical technology and thermal spraying;
To provide other related scientific and technological services;
To perform other duties as assigned by the Director.

Principal Research Directions

Research and development of thermal spray coatings for corrosion protection in chemical, atmospheric, and marine environments;
Research and development of functional thermal spray coatings (including restoration, heat resistance, thermal insulation, wear and erosion resistance, and decorative purposes…);
Research into advanced surface-treatment technologies in line with global development trends.

Contact details of the Head of Department

- Academic Title, Full Name: Dr. Nguyen Van Tuan - Senior Researcher

- Office Address: Room 103, Building A13, 18 Hoang Quoc Viet, Nghia Do, Hanoi, Vietnam- Mobile Phone: +84 987 858 382

- Email: nvtuan@ims.(*) - Note: Replace (*) = vast.ac.vn

DEPARTMENT MEMBERS

No.	Full name	Position	Employment Status	Office Address	Email Note: Replace () = vast.ac.vn*
1	Nguyen Van Tuan	Head of Department	Permanent Staff	Room 103, Building A13	nvtuan@ims. (*)
2	Nguyen Tuan Anh	Deputy Head of Department	Permanent Staff	Room 507, Building A12	ntanh@ims. (*)
3	Dao Bich Thuy		Permanent Staff	Room 103, Building A13	dbthuy@ims. (*)
4	Ly Quoc Cuong		Permanent Staff	Room 607, Building A12	lqcuong@ims. (*)
5	Pham Thi Ha		Permanent Staff	Room 103, Building A13	ptha@ims. (*)
6	Pham Thi Ly		Permanent Staff	Room 103, Building A13	ptly@ims. (*)

MAJOR ACHIEVEMENTS

Completed the technology for producing nickel–chromium alloy coatings using electric arc spray technology to enhance wear and corrosion resistance of industrial machine components operating in harsh environments.
Researched and developed Cr₃C₂–NiCr coatings with corrosion and wear resistance using plasma spray technology to restore and improve the surface quality of turbine runner wheels in hydroelectric plants in Lao Cai.
Researched and developed Cr₃C₂–25NiCr coatings using plasma spray technology for application in restoring and extending the service life of components in thermal power plants.
Fabricated and studied the structure and properties of Al₂O₃–TiO₂ composite ceramic coatings containing nano-sized alumina particles.
Researched and developed several advanced inorganic coatings for applications in both civilian and defense sectors.

Figure 1. Application of Al–5Mg alloy coating to provide corrosion protection for steel ship hulls operating in marine environments using the electric arc spray method.

Figure 2. Cr₃C₂–25NiCr cermet coating produced by plasma spray method combined with polytetrafluoroethylene (PTFE – nano-sized), applied to restore and extend the service life of hydroelectric turbines in the Northwestern provinces.

REPRESENTATIVE PUBLICATIONS

1. Ha Pham Thi, Tuan Nguyen Van, Tuan Anh Nguyen, Quy Le Thu, Ly Pham Thi, Thuy Dao Bich, Trung Trinh Van, Cuong Ly Quoc, Cr₃C₂-25NiCr cermet coating: preparation, PTFE sealant, wear and corrosion resistances, Journal of Thermal Spray Technology 30(3) 716-724, 2021.

2. Nguyen Van Tuan, Le Thu Quy, Ly Quoc Cuong, Pham Thi Ha, Pham Thi Ly. Patent: “Process for treating thermal spray coatings by PTFE infiltration under ultrasonic vibration conditions.” Patent No. 31384 pursuant to Decision No. 2726w/QD-SHTT dated 21 February 2022.

3. Tuan Nguyen Van, Tuan Anh Nguyen, Ha Pham Thi, Ly Pham Thi, Phuong Nguyen Thi, Quy Le Thu, Fabrication and Characterization of Plasma-Sprayed Cr₃C₂-25Cr/Al₂O₃-40TiO₂ Duplex Coating, Journal of Thermal Spray Technology, 31: 2112–2125, 2022.

4. Tuan Nguyen Van, Tuan Anh Nguyen, Ha Pham Thi, Ly Pham Thi, Phuong Nguyen Thi, Thuy Bich Dao, Trung Van Trinh, Duong Vu, Quy Le Thu, Sealing Treatment of Plasma-Sprayed Cr₃C₂-NiCr/Al₂O₃-TiO₂ Coating by Aluminum Phosphate Sealant Containing Al2O3 Nanoparticles, Journal of Thermal Spray Technology, 31: 269–281, 2022.

5. Tuan Nguyen Van, Tuan Anh Nguyen, Ha Pham Thi, Ly Pham Thi, Quy Le Thu, Influence of aluminum oxide nanoparticles on the corrosion and wear resistance of Al₂O₃-TiO₂ ceramic coating sealed with aluminum phosphate, Vietnam Journal of Science and Technology, 60, 6A, 65-79, 2022.

6. Ha Pham Thi, Tuan Nguyen Van, Tuan Anh Nguyen, Ly Pham Thi, Cuong Ly Quoc, Thuy Dao Bich, Quan Vo An, Study of corrosion behavior of arc thermal sprayed Al-Mg alloy coating, Vietnam Journal of Science and Technology 61(3), 405-414, 2023.

7. Thanh Le Duc, Ha Pham Thi, Tuan Nguyen Van, Quy Le Thu, Ly Pham Thi, Tuan Anh Nguyen, Cuong Ly Quoc, Thuy Dao Bich, Study on microstructure, mechanical and wear resistance properties of arc sprayed Al-Mg alloy coating, Vietnam Journal of Chemistry, 61(S3), 77-83, 2023.

8. Tuan Van Nguyen, Thanh Duc Le, Quy Thu Le, Ha Thi Pham, Anh Tuan Nguyen, Ly Thi Pham, Thuy Bich Dao, Cuong Quoc Ly, Characterization and corrosion resistance of the twin-wire arc spray Al-5Mg alloy coating applied on a carbon steel substrate, Journal of Thermal Spray Technology 33, 381–397, 2023.

9. Tuan Nguyen Van, Tuan Anh Nguyen, Ha Pham Thi, Ly Pham Thi, Phuong Nguyen Thi, Quy Le Thu, Effect of heat treatment on corrosion resistance of Al₂O₃-TiO₂ ceramic coating impregnated with aluminum phosphate, Vietnam Journal of Science and Technology, 62 (3), 463–474, 2024.

10. Ly Quoc Cuong, Nguyen Van Tuan, Le Thu Quy, Nguyen Tuan Anh, Dao Bich Thuy, Pham Thi Ha, Pham Thi Ly. Trademark: “TSCTV Thermal Spray for Better Durability” (device mark). Certificate of Registration No. 487049 pursuant to Decision No. 41956/QD-SHTT dated 10 April 2024.

MAIN EQUIPMENTS

No.	Equipment Name	Features/ Capabilities	Installation Location	Person(s) Responsible for Operation
1	Double-Wire Electric Arc Spray Equipment OSU-HESSLER 300A (Germany)	LD/U-2 spray gun. Current capacity: 300A. Wire diameter: Ø1.6–2.5 mm. Spray capacity: 2.5–8 kg/h. Efficiency: ≥65%. Used for creating coatings of metals and alloys.	House A13, 18 Hoang Quoc Viet Street, Cau Giay, Hanoi	Dr. Nguyen Van TuanDr. Ly Quoc Cuong
2	Abrasive Blasting Machine SPEEDO PBM–100 (Singapore)	Operating pressure: 860 kN/m² (125 psi). Static test pressure: 1300 kN/m² (188 psi).	House A13, 18 Hoang Quoc Viet Street, Cau Giay, Hanoi	Dr. Nguyen Van TuanDr. Ly Quoc Cuong
3	Dual-Probe Coating Thickness Gauge Total Meter CM-8826FN (China)	Measurement range: 0–1250 μm. Resolution: 0.1 μm. Accuracy: ±1~3%.	House A13, 18 Hoang Quoc Viet Street, Cau Giay, Hanoi	MSc. Pham Thi HaMSc. Pham Thi Ly
4	Vacuum Oven 3608 (USA)	Temperature range: environment +5°C to 220°C. Temperature fluctuation at 100°C: ±2.2°C. Temperature resolution: ±1.5°C. Chamber volume: 12.5 liters.	House A12, 18 Hoang Quoc Viet Street, Cau Giay, Hanoi	MSc. Pham Thi HaMSc. Pham Thi Ly
5	Physical PU Reinforcement Device	Used for applying super-foam to enhance adhesives and mixed materials.	House A12, 18 Hoang Quoc Viet Street, Cau Giay, Hanoi	Dr. Nguyen Tuan Anh

HIGHLIGHTS
Scientific research, technology development, application and transfer of science and technology products and services; international cooperation and training in the field of materials science and technology and other related fields.

28 + Year of establishment
Established on June 11, 1993
240 + staffs
3 Professors, 9 Associate Professors, 13 Senior Researchers, 80 Ph.
Arwards
First Class Labor Medal