Netshape Manufacturing Technology Unit

About us

The main objective of setting up this unit in the department is to provide different unique services in Hong Kong, which are mainly relevant to various metal forming technologies as described in following areas. Meanwhile, through the manipulation of our established laboratories, the unit is able to further demonstrate and provide stronger support on learning and teaching as well as research and consultancy. The names of those two laboratories are:

Materials Processing Laboratory (CD003)
Net Shape Technology Research Laboratory (U009)

Aim:

Enhance the relevant Technological Co-operation
Promote the Industrial Application
Research and Development
Seek for more funding from different sources
Develop and Promote the different Net Shape Manufacturing and relevant Advanced Technologies
Incubate more graduates, professionals and successors

Promote and Introduce the Technology
Consultancy
Feasibility Study
Production and Installation
Assist in sourcing Funding and securing Application
Assist in carry out heavy-duty super-high pressure hydroforming test
Assist in carry out pilot fabrication of different metal sponges

Promote and Introduce the Technology
Consultancy
Feasibility Study
Production and Installation
Assist in sourcing Funding and securing Application
Assist in carry out heavy-duty super-high pressure hydroforming test
Assist in carry out pilot fabrication of different metal sponges

YXLON FF35 CT computed tomography system
2500 tons huge-duty super-high-pressure hydroforming system (PUG-2500)
4-axis CNC engraving machine
CREPOW Classtig 200AD Welding Machine
Self-developed 3-in-1 bike frame tester
30 tons manual-type hydraulic press
Self-developed drop fall impact tester
160 Ton AIDA-Japan Cold-forging Mechanical Press
160 Ton OMERA-Italy Double Action Hydraulic Press
250MPa Hydroforming Attachment with Computer-controlled Console
Desktop Hydroforming Testing Unit
Computer-controlled Gas Pressure Bugling Tester
Overhauled Hille Swift Forming Tester
100 kN MTS Uniaxial Tensile Machine (temporary located at CD003)
Carbolite-UK High Precision Heating Ovens
Induction Heater
FLIR Thermovision System for Temperature Distribution Measurement
High-Temperature PL Controllers
PLC Enhanced Gear-profile Rolling Machine

Research areas & activities

Tube and Sheet Hydroforming
Sheet and Bulk Forming
Fine Blanking
Formability Prediction, Damage Modeling and Process Simulation
Laser Processing and Die Casting
Precision Tooling and Progressive Stamping
Profile Rolling
Special Forming Equipment Design and Manufacture

Publications

Selected journals and conference papers within recent 5 years:

Xianzheng Lu and LC Chan, "Numerical Simulation for Thermal and RT Forming Light Sheet Materials Using a New Combined Model of M-K Theory and Shear Localization Criterion". The International Journal of Advanced Manufacturing Technology, Vol. 83, No. 1 (2016), pages 357-363
XZ Lu and LC Chan, Micromechanics-based damage model for failure prediction in cold forming, Materials Science and Engineering A, Vol. 690 (2017), pages 120-131
LC Chan, Non-destructive testing for microstructure assessment in applied research and development, in YXLON CT user conference 2016, Hamburg, Germany, 26-27 Oct 2016, YXLON International GmBH (Oct 2016)
LC Chan and XZ Lu, "Multiscale Analysis of Deformation in Metal Damage Prediction", The 23rd International Conference on Plasticity, Damage, and Fracture, Puerto Vallarta, Mexico, 3-9 Jan 2017, NEAT PRESS, Maryland, USA, pages 61-63 (Jan 2017) ISBN 978-0-9911654-6-9(print)
LC Chan, XZ Lu, KM Yu, Multiscale Approach with RSM for Stress–strain Behaviour Prediction of Micro-void-considered Metal Alloy, Materials & Design, Vol. 83 (2015), Pages 129-137
TF Kong, LC Chan, Prediction of Multipreform Shapes in Warm Forming with Experimental Verification, JOM, 2015, 67(2): 436-449.
SS Wong, LC Chan, CP Lai, WY Ip, LH Chau, In-vitro and In-vivo Degradation Evaluation of Mg-based Alloys for Biomedical Applications, Journal of Material Science and Technology Research, Vol. 1, no. 2 (2015), Pages 1 – 9
CP Lai, LC Chan, Finite-element Modelling of Thermal Forming of Ti-TWBs with Experimental Verification, Key Engineering Materials, Vol. 626 (2015), Pages 518-523.
LC Chan, CP Lai, LH Chau, WY Ip, Biocompatibility Study of Magnesium-based Metal Sponge, Proceeding of the 9th International Conference on Porous Metals and Metallic Foams (Metfoam 2015), page 218, 31 Aug-2 Sept 2015, Barcelona, Spain.
SS Wong, WY Ip, LC Chan, CP Lai, In vivo Study on the Biodegradation Behaviours of Mg-Based Alloys for Orthopaedic Application, Proceeding of the 27th European Conference on Biomaterials (ESB2015), 30 Aug-3 Sept 2015, Krakow, Poland
XZ Lu, LC Chan, Construction of Representative Volume Element for FE Simulation of Bulk Deformation of Stainless Steel Using X-Ray Computed Tomography Approach, TMS2015 Supplemental Proceedings, Pages 485-490, 15-19 Mar 2015, Orlando, USA.
LC Chan, Net Shape Forming Technologies for Gear Profile Rolling and High-Strength Tube Hydroforming, Proceeding of the BIT 4th Annual World Congress of Advanced Materials (WCAM2015), Page 301, 27-29 May 2015, Chongqing, China
XZ Lu, LC Chan, Data Acquisition in 3D Tomography for Multiscale Microstructure Model Construction under Uniaxial Compression, MS&T2015 Supplemental Proceedings, Pages 561-566, 4-8 Oct 2015, Ohio, USA.
TF Kong, LC Chan, Bulk-Forming Simulation of Bimetallic Watchcase Components, JOM, Vol. 66, no. 10 (2014), Pages 2145-2155.
LC Chan, XZ Lu, Material Sensitivity and Formability Prediction of Warm Forming Magnesium Alloy Sheets with Experimental Verification, International Journal of Advanced Manufacturing Technology, Vol. 71, no. 1-4 (2014), Pages 253-262.
LC Chan, CP Lai, SS Wong, WY Ip, Corrosion and Hydrogen Evolution Improvement of Biodegradable Mg-based Alloy for Orthopedic and Implant Applications, 2nd International Conference on BioTribology (ICoBT 2014), 11-14 May 2014, Toronto, Canada (Electronic version)
SS Wong, CP Lai, WY Ip, LC Chan, Zin’s role in Mg-Zn-Mn Alloys for Orthopedic Applications, 2014 Annual Meeting of the Society for Biomaterials, 16-19 Apr 2014, Denver, CO (Electronic version)
LC Chan, XZ Lu, Numerical Simulation on Forming Behavior of Magnesium Alloy at Elevated Temperatures with Experimental Verification. Advanced Materials Research, Vol. 677 (2013), Pages 179-182.
LC Chan, TF Kong, Numerical Simulation and Experimental Study on Profile-rolling Process for Micro-teeth Components, Advanced Materials Research, Vol. 677 (2013), Pages 252-255.
CP Lai, LC Chan, Microstructural Analysis of Stress Relieving on the Thermal Deformation Behaviors of Titanium Tailor-welded Blanks, Advanced Materials Research, Vol. 677 (2013), Pages 169-172.
LC Chan, Numerical Determination of Sheet Metal Forming Limit Based on a New Combined Model of M-K Theory and Shear Localization Criterion, Advanced Materials Research, Vol 330 (2013), Pages 821-825.
WKR Kot, LC Chan, Determination of Loading Paths in Warm Hydroforming Reinforced Quadrilateral Tubular Components, Materials and Manufacturing Processes, Vol. 29, no. 1 (2013), Pages 32-36.
WKR Kot, LC Chan, In-Process Visualisation for Deformation Monitoring and Analysis of Sheet Metal Forming Processes, Advanced Materials Research, Vol 677 (2013), Pages 384-387.
LC Chan, KM Au, KM Yu, FEM-CT Integrated Design for Multiscale Damage Analysis of Hydroformed Magnesium-based Alloy Tubular Product, NDT & E International, Vol. 56 (2013), Pages 38-47.
CP Tsui, CY Tang, HY Wang, LC Chan, Damage Prediction of a Graded Porous Biocomposite Implant Using the Finite Element Method, Proceedings of the First International Conference on Damage Mechanics, Pages 293-296, 25-27 Jun 2012, Belgrade, Sebrian.

Ir. Prof. L. C. Chan (Unit Director and Labs-in-charge)

Tel: (852) 2766 6634
Fax: (852) 2362 5267
Email: lc.chan@polyu.edu.hk

Dr. T. F. Kong (Project Associate)

Tel: (852) 2766 6573
Fax: (852) 2766 6771
E-mail: tf.kong@polyu.edu.hk

Dr. C. P. Lai (Project Associate)

Tel: (852) 2766 6614
Fax: (852) 2766 6771
Email: cp.lai@polyu.edu.hk