All Outputs (44)

Friction and heat partition coefficients in incremental sheet forming process (2024)
Journal Article

To understand the thermo-mechanical behaviour in incremental sheet forming (ISF), it is important to precisely determine the interfacial and thermal-relevant parameters including coefficient of friction (COF) and heat partition coefficient (HPC), and... Read More about Friction and heat partition coefficients in incremental sheet forming process.

A new hybrid stretch forming and double-layer two-point incremental sheet forming process (2024)
Journal Article

This research presents a new hybrid stretch forming and double-layer two-point incremental sheet forming (hybrid stretch forming and DL-TPIF). The novelty of the proposed hybrid process is first to employ double-layer blank sheets in the conventi... Read More about A new hybrid stretch forming and double-layer two-point incremental sheet forming process.

Heat-assisted friction stir incremental sheet forming of thermoplastics (2024)
Journal Article

Incremental sheet forming (ISF) has been attracting increasing interests for customised manufacture of thermoplastics, but the application in high-performance and hard-to-form thermoplastics is still a challenge. This paper develops a new heat-assist... Read More about Heat-assisted friction stir incremental sheet forming of thermoplastics.

A new flexible multi-point incremental sheet forming process with multi-layer sheets (2023)
Journal Article

In this research, a new flexible multi-point incremental sheet forming process with multi-layer sheets (F-MPIF-MLS) was proposed. The novelty of this new forming process is demonstrated by two specific aspects of contribution. The first is the develo... Read More about A new flexible multi-point incremental sheet forming process with multi-layer sheets.

Modelling of Stress Evolution and Its Effect on Formability in Tension Under Cyclic Bending Plus Compression (2023)
Conference Proceeding

Single point incremental forming (SPIF) and Double-sided incremental forming (DSIF) are two main variants of incremental sheet forming (ISF) processes. Tension under cyclic bending (TCB) have been developed as a means for experimental evaluation and... Read More about Modelling of Stress Evolution and Its Effect on Formability in Tension Under Cyclic Bending Plus Compression.

A new analytical model for force prediction in incremental sheet forming (2023)
Journal Article

A new analytical model for forming force prediction in the whole process of incremental sheet forming (ISF) is presented in this work. The modelling of contact region, thickness distribution and strain components are carried out as the basis for the... Read More about A new analytical model for force prediction in incremental sheet forming.

Micromechanical Modeling of the Deformation and Damage Behavior of Al6092/SiC Particle Metal Matrix Composites (2023)
Journal Article

To enhance the performance and design of metal matrix composites, it is extremely important to gain a better understanding of how the microstructure influences the deformation and damage behavior of metal matrix composites under different loading con... Read More about Micromechanical Modeling of the Deformation and Damage Behavior of Al6092/SiC Particle Metal Matrix Composites.

Deformation mechanisms and fracture in tension under cyclic bending plus compression, single point and double-sided incremental sheet forming processes (2022)
Journal Article

This study investigates the deformation and fracture mechanisms of two testing methods, tension under cyclic bending (TCB) and tension under cyclic bending plus compression (TCBC) and their relationship to single point (SPIF) and double-sided (DSIF)... Read More about Deformation mechanisms and fracture in tension under cyclic bending plus compression, single point and double-sided incremental sheet forming processes.

Hybrid vacuum-robotic forming of reinforced composite laminates (2022)
Journal Article

A methodology is presented to implement robotic actuators into diaphragm forming of composite laminates. This Hybrid Vacuum-Robotic (HyVR) process is specifically targeted to prevent ‘bridging’ type defects. Examples are presented of successfully for... Read More about Hybrid vacuum-robotic forming of reinforced composite laminates.

Heat generation, plastic deformation and residual stresses in friction stir welding of aluminium alloy (2022)
Journal Article

The interactions among thermal history, plastic deformation and residual stresses in the friction stir welding (FSW) process under different welding parameters have been widely considered a crucial issue and still not fully understood. In the present... Read More about Heat generation, plastic deformation and residual stresses in friction stir welding of aluminium alloy.

Coupled quantitative modeling of microstructural evolution and plastic flow during continuous dynamic recrystallization (2022)
Journal Article

Continuous dynamic recrystallization (cDRX) dominates microstructural evolution during the hot working of metallic materials with high stacking fault energy (SFE), such as aluminum alloys. However, in reality, a lack of quantitative and visual modeli... Read More about Coupled quantitative modeling of microstructural evolution and plastic flow during continuous dynamic recrystallization.

Numerical and experimental investigation of formability in incremental sheet forming of particle-reinforced metal matrix composite sheets (2022)
Journal Article

Aluminium matrix composites (AMCs) have a high strength-to-weight ratio, high stiffness, and good damage resistance under a wide range of operating conditions, making them a viable alternative to traditional materials in a variety of technical applic... Read More about Numerical and experimental investigation of formability in incremental sheet forming of particle-reinforced metal matrix composite sheets.

Constitutive modelling of hot deformation behaviour of metallic materials (2021)
Journal Article

The complexity of hot deformation behaviours of metallic materials is acknowledged in decades of study. The present work uses a new constitutive model by Zhu-Ou-Popov (ZOP model) and its modifications to predict the hot deformation behaviours of meta... Read More about Constitutive modelling of hot deformation behaviour of metallic materials.

PEEK based cranial reconstruction using thermal assisted incremental sheet forming (2021)
Journal Article

Compared to conventional sheet forming operations, incremental sheet forming (ISF) is a flexible forming technique that can achieve higher formability in terms of localized deformation. Due to excellent mechanical properties and X-ray penetration, po... Read More about PEEK based cranial reconstruction using thermal assisted incremental sheet forming.

Multiscale modeling of discontinuous dynamic recrystallization during hot working by coupling multilevel cellular automaton and finite element method (2021)
Journal Article

Discontinuous dynamic recrystallization (dDRX) is considered an effective way to obtain fine grain microstructures during hot working of materials with low-to-medium stacking fault energy (SFE). However, to date, investigation and modeling of dDRX in... Read More about Multiscale modeling of discontinuous dynamic recrystallization during hot working by coupling multilevel cellular automaton and finite element method.

Surface roughness analysis of medical grade titanium sheets formed by single point incremental forming (2021)
Journal Article

Single point incremental forming (SPIF) process has proven benefits in terms of formability, flexibility, and low cost as compared to conventional sheet forming, although it has some issues such as dimensional accuracy and low quality of surface fini... Read More about Surface roughness analysis of medical grade titanium sheets formed by single point incremental forming.

A new phenomenological constitutive model for thermoplastics (2021)
Journal Article

A new phenomenological constitutive model is proposed to predict the mechanical behaviour of thermoplastics in the current research. The new constitutive model and the method to determine the parameters of the model are introduced. In the new model,... Read More about A new phenomenological constitutive model for thermoplastics.

Incremental sheet forming of thermoplastics: a review (2020)
Journal Article

Incremental sheet forming (ISF) is a promising flexible manufacturing process, which has been tested in sheet forming of various metallic materials. Although ISF based forming of thermoplastics is relatively new, it has drawn considerable interests a... Read More about Incremental sheet forming of thermoplastics: a review.

Double-sided incremental forming: a review (2019)
Journal Article

Incremental sheet forming (ISF) or single point incremental forming (SPIF) processes have been developed rapidly in the past three decades. Its high flexibility and easy operability have a significant appeal for industrial applications and substantia... Read More about Double-sided incremental forming: a review.

Effect of tooling surface on friction conditions in cold forging of an aluminum alloy (2018)
Journal Article

Friction during cold forging of aluminum was analyzed with a ring with boss compression test (RCT-B) and an optimum spike forging test (O-SFT). The tool surface was treated with three methods: flat grinding, bead blasting, and lapping-plus-polishing.... Read More about Effect of tooling surface on friction conditions in cold forging of an aluminum alloy.