Chunze Yan

Chunze Yan
Huazhong University of Science and Technology | hust · School of Materials Science and Engineering

PhD

About

144
Publications
90,576
Reads
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6,024
Citations
Introduction
My research works have engaged in material preparation and additive manufacturing (AM), and focused very much on micro/nano composites, metal lattice cellular structures and powder bed fusion AM processes.
Additional affiliations
November 2017 - present
Huazhong University of Science and Technology
Position
  • Professor (Full)
March 2013 - October 2017
Huazhong University of Science and Technology
Position
  • Professor (Associate)
September 2010 - August 2015
University of Exeter
Position
  • Research Associate
Education
September 2003 - June 2009
Huazhong University of Science and Technology
Field of study
  • Additive Manufacturing
September 1996 - July 2000
Huazhong University of Science and Technology
Field of study
  • Applied Chemistry

Publications

Publications (144)
Article
Triply periodic minimal surface (TPMS) structures have already been shown to be a versatile source of biomorphic scaffold designs. Therefore, in this work, Ti-6Al-4V Gyroid and Diamond TPMS lattices having an interconnected high porosity of 80-95% and pore sizes in the range of 560-1600μm and 480-1450μm respectively were manufactured by selective l...
Article
The crystallographic texture, phase composition and evolution, and nanohardness of a Ti–45Al–2Cr–5Nb alloy processed by selective laser melting (SLM) at various substrate preheating temperatures were investigated. The α2 phase decreases whereas the γ and B2 phases increase with increasing preheating temperature, and the relationship in orientation...
Article
A comparative study on the influence of different manufacturing methods (selective laser melting and hot rolling) on the microstructure, mechanical and thermal behaviours of tungsten (W) was presented for the first time. The results indicated that the selective laser melting (SLM) W exhibited a finer grain sizes, a lower strength ductility, hardnes...
Article
Full-text available
Inspired by shape‐morphing organisms in nature, researchers have developed various hydrogels with stimuli‐responsive swelling, shrinking, bending, folding, origami, rolling, twisting, or locomotion. These smart hydrogels are usually created by patterning or 4D printing. The shape morphing of hydrogels allows the fabrication of helixing, twisting, a...
Article
Full-text available
Solar cells are conventionally used to harvest energy in outer space, but they are ineffective in dark locations. Here, we show that superconducting materials – which work best in cold environments, such as those found in outer space—provide a mechanism to harvest energy that does not require light. A superconducting maglev (magnetic levitation) ma...
Article
Alumina-based ceramic molds are extensively applied in investment casting processes of hollow turbine blade due to their outstanding high-temperature chemical stability and creep resistance. Herein, laser powder bed fusion (L-PBF) method was utilized to fabricate an alumina-based ceramic mold with integral core and shell (CMCS). The influences of t...
Article
Full-text available
Porous poly-ether-ether-ketone (PEEK) scaffolds have a good application prospect in orthopedics because of their excellent biocompatibility, chemical stability, and permeability. However, the porous PEEK scaffolds fabricated by conventional manufacturing methods are restricted to the uncontrollable and weak mechanical properties. In this work, poro...
Article
Full-text available
In this study, in situ TiO2 was grown on the surface of graphene by a facile sol–gel method to form black TiO2/graphene composites with highly improved photocatalytic activity. The combination of graphene and TiO2 was beneficial to eliminate the recombination of photogenerated electron holes. The self-doping Ti3+ was introduced, accompanied by the...
Article
Silicon carbide (SiC) ceramic lattice structures (CLSs) have a rising requirement in high-value engineering fields owing to their superior specific strength and multiple thermal properties. With the advent of additive manufacturing (AM) techniques such as laser powder bed fusion (LPBF), the manufacture of complex SiC CLSs has become possible. Compa...
Article
Full-text available
Polyaryletherketone (PAEK) is emerging as an important high‐performance polymer material in additive manufacturing (AM) benefiting from its excellent mechanical properties, good biocompatibility, and high‐temperature stability. The distinct advantages of AM facilitate the rapid development of PAEK products with complex customized structures and fun...
Article
Full-text available
In this study, graded Gyroid-type TPMS graded lattice structures were designed and manufactured by laser powder bed fusion, showing tailorable and predictable mechanical responses, such as Young's modulus, yield strength, and multi-platform stress-strain curves. The strong regularity of the mechanical response makes it possible to predict, while th...
Article
Porous structure design on the contact surface is crucial to promote the osseointegration of the intervertebral cage while preventing subsidence and displacement. However, the stress response will undergo significant changes for the current random porous cages, which can directly affect the mechanical properties and long-term usability. Here, this...
Article
A comparative study on the influence of different manufacturing methods (selective laser melting and hot rolling) on the microstructure, mechanical and thermal behaviours of tungsten (W) was presented for the first time. The results indicated that the selective laser melting (SLM) W exhibited a finer grain sizes, a lower strength ductility, hardnes...
Article
Aluminium alloy lattice structures are prospective candidates for high-value engineering applications due to their excellent comprehensive properties. Selective laser melting (SLM), a promising additive manufacturing (AM) process, enables the fabrication of metallic periodic lattices with complex and controllable internal design. In this paper, fin...
Article
The capability to monitor the mechanical forces on the intervertebral disc (IVD) after discectomy could develop personalized rehabilitation strategies to benefit the patients´ healthy recovery. However, traditional nucleus pulposus (NP) substitutes are mainly hydrogels which can only physically fill the defect after discectomy without sense the mec...
Article
Ni-Ti shape memory alloys with triply periodic minimal surface (TPMS) lattice structures have aroused increasing interests due to their great application potential in bone tissue engineering. In this study, the effect of volume fraction and unit cell size on the manufacturability, compressive mechanical properties, and shape memory behaviors after...
Article
Metamaterials with negative Poisson’s ratios, showing unusual properties, are worth studying and tunability for Poisson’s ratio is still a difficult problem. In this study, a 2 D/3D arc-shaped lattice metamaterial with tunable Poisson’s ratio is designed and fabricated by additive manufacturing technology. Experimental and numerical results indicat...
Article
Full-text available
Anisotropy is the characteristic of a material to exhibit variations in its mechanical, electrical, thermal, optical properties, etc. along different directions. Anisotropic materials have attracted great research interest because of their wide applications in aerospace, sensing, soft robotics, and tissue engineering. Three-dimensional (3D) printin...
Article
Customisation of bioactivity and degradability of porous bioceramic scaffolds is a formidable challenge in the field of regenerative medicine. In this study, we developed gyroid-structured ternary composite scaffolds (biphasic calcium phosphate (BCP) and 45S5 bioglass® (BG)) using digital light processing 3D printing technology based on material an...
Article
Full-text available
Variations of the properties of virgin and recycled powders are still important challenges in high-temperature laser powder bed fusion, which directly affect the processing parameters and the ultimate quality of the product. The key factor is the aging mechanism of powder during the layer-wise infrared radiation process of laser powder bed fusion....
Article
Full-text available
Sustainable energy supply by converting mechanical to electric energy is critical for flexible electronic technologies, soft robots, and biomedical applications. The development of magnetoelectric conversion approaches requires new strategies with lightweight, small, and portable features. To address this need, an underwater magnetic nanofluid drop...
Article
Full-text available
Nickel-titanium alloys have been widely used in biomedical, aerospace and other fields due to their shape memory effect, superelastic effect, as well as biocompatible and elasto-thermal properties. Additive manufacturing (AM) technology can form complex and fine structures, which greatly expands the application range of Ni-Ti alloy. In this study,...
Article
Purpose The purpose of this paper is to prepare metal/polymer composite materials prepared by additive manufacturing (AM) technology. Design/methodology/approach The effect of sintering parameters including laser power, scanning speed and slice thickness on strength and accuracy of selective laser sintering (SLS) parts were analyzed experimentally...
Article
Full-text available
Graded lattice structures (GLSs) have drawn much attention in engineering and biological areas due to the enhanced mechanical properties and energy absorption capacity that benefit from the graded design. This study aims to investigate the effect of gradient on fatigue behaviours of lattice structures under the cyclic loading lateral to the gradien...
Article
Full-text available
Additive manufactured porous SiC is a promising material applied in extreme conditions characterised by high temperatures, chemical corrosion, and irradiation etc. However, residual Si’s existence deteriorates its performance and limits its application in harsh environments. In this study, B4C was introduced into the selective laser sintering proce...
Article
The extraordinary potential of 4D printing regarding shape-changing, property-changing and functionality-changing could be widely utilized in the biomedical, aerospace, and robotics fields. Shape-color double-responsive 4D printing further expands the connotation of 4D printing by integrating both shape-changing and visual-changing, thereby providi...
Article
In this study, three NiTi shape memory alloys with different Ni atomic percentage (50.73, 50.93 and 51.27 at%) were fabricated by laser powder bed fusion (L-PBF). The effect of Ni content on phase transformation temperature, phase composition, microstructure, mechanical properties and deformation recovery phenomenon of NiTi alloy were systematicall...
Article
This research investigated the influence of laser energy density on the formation and evolution of Ni4Ti3 precipitate, together with the property of NiTi shape memory alloys fabricated by selective laser melting (SLM). The variant and its evolution mechanism of Ni4Ti3 precipitate was qualitatively analyzed by Gibbs free energy and quantitatively de...
Chapter
The selective laser sintering (SLS) system consists of three parts: computer control system, main unit, and laser cooler. This chapter analyzes the principle of the temperature control system and the galvanometer system in the main unit system and introduces how to optimize the design of these systems.
Chapter
In this chapter, mathematical modeling, numerical calculation, and result analysis of selective laser sintering system developed in our laboratory will be carried out by means of tubular radiative heating to analyze the specific reasons and factors of uneven temperature distribution. According to the model, the relative intensity of radiation heati...
Chapter
At present, in addition to polymer-based materials, selective laser sintering (SLS) materials that have been developed also include ceramic-based powder, precoated sand, and other inorganic nonmetallic materials. Inorganic nonmetallic materials, due to high melting points, are difficult to form directly by laser sintering, which is different from p...
Chapter
The quality evaluation of sintered parts involves the usage requirements of the parts. If a porous body is required for the parts, the volume fraction and distribution of the pores in the sintered parts should be one of the quality indexes. However, for the parts in the general manufacturing industry, mechanical properties and accuracy of the dimen...
Chapter
This chapter introduces the typical applications of selective laser sintering technology, including sand casting, investment casting, manufacturing injection mold with conformal cooling channel, manufacturing ceramic part, and plastic functional part.
Chapter
Materials are essential for the development of the selective laser sintering (SLS) technology, which play a decisive role in forming speed and accuracy, mechanical properties, and applications of SLS. SLS technology has an outstanding advantage, using the power as the forming material, which is extensively applied. In theory, any powder materials i...
Chapter
This chapter analyzes the error characteristics and fault-tolerant slicing strategies of STereo Lithography (STL) files and then presents a complete algorithm for fault-tolerant slicing of STL files. Second it introduces an algorithm of Boolean operation for STL model based on intersection loop detection and how to implement. By aiming at intersect...
Chapter
This chapter introduces the preparation methods for metals and metal matrix composites, highlighting the many technological challenges as well as the differences between traditional methods and additive manufacturing (AM). As an emerging manufacturing technology, AM offers many advantages over traditional methods. This chapter briefly introduces th...
Chapter
This chapter introduces the microstructure and mechanical properties of typical metal materials like iron-based alloy, titanium-based alloy, aluminum alloy, and nickel-based alloy prepared by SLM, and studies Ti-6Al-4V metallic metamaterials, such as pentamode material (PM) structure. First, it analyzes and compares the formation law of melt pool m...
Chapter
This chapter introduces the conventional characterization methods used in SLM preparation of metal matrix composites, mainly metal powder raw material characterization, microstructure characterization, and mechanical properties characterization. First of all, the most important testing indexes for the powder before forming are particle size distrib...
Chapter
This chapter introduces the posttreatment methods for SLM-formed metal parts. During the processing of metals and their composites by SLM, some problems, including evaporation, oxidation, spheroidization, and stress concentration, can result in rough surfaces, cracking, and serious performance degradation. In this case, posttreatment methods such a...
Chapter
This chapter introduces the research status of iron-based, titanium-based, aluminum-based, and nickel-based composites and previews their future research directions. Metal matrix composites have been widely used in aerospace, aviation and other high-tech fields for their high specific strength, specific stiffness, and excellent high-temperature cha...
Chapter
This chapter introduces the application of metal matrix composites in the fields of aerospace, biomedical, and mold technology. Metal matrix composites, such as titanium and aluminum alloy composites, are widely used in aerospace as key components, such as turbine disks and impellers, for their lightweight and high-strength characteristics. The met...
Chapter
This chapter introduces the preparation of metal matrix composites by SLM, including the preparation technology and process of Fe-based, Ti-based, Al-based, and other metal matrix composites, and further prepared gradient materials. Fe-based composites mainly involve SiC, Cr3C2, TiN, hydroxyapatite (HA), FeCoCrMoCBY, and TiB2 as reinforcing phases....
Chapter
This chapter introduces the metallurgical mechanism and physical characteristics of selective laser melting (SLM), a process in which a high-energy laser acts on metal powders that melt to form a tiny molten pool and then solidify again. When the laser acts on metal powders, such complex physicochemical phenomena as absorption and scattering of las...
Chapter
This chapter develops composite materials and structures using TPMS lattice structures. Graphene 3D/Cu lattice scaffolds are designed to facilitate multiple reflections and scattering of EM waves inside the structure. The results suggest that the synergistic effects from multimaterials and porous structures facilitate multiple dissipation mechanism...
Chapter
Full-text available
This chapter gives the application and prospect of TPMS structures. It proposes new and advanced lattice support structures for SLM/DMLS processes. Two types of lattice structures are investigated for their suitability as support structures in reducing material and build-time while fulfilling the structural demands required by a metallic support st...
Chapter
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This chapter proposes a material constitutive model based on the SLM graded TPMS lattice structure for finite element simulation. The simulation reveals that the root cause of the uniform stress distribution and anisotropy of the TPMS lattice structure lies in the surface characteristics of the structure. The experimental and simulation results are...
Chapter
Full-text available
This chapter establishes a finite element model to predict the mechanical properties of the TPMS structure, and analyze manufacturing accuracy and static compression mechanics of the gradient gyroid lattice structure. Gradient TPMS lattice structures are designed with different gradient directions. A mathematical model based on a multilayer composi...
Chapter
Full-text available
This chapter presents the design procedure and the software tools used for generating uniform and graded cellular structures. It introduces the various cell topologies of triply periodic minimal surface (TPMS) lattice structures commonly used in this research. It also describes the topological design of lattice structures and the procedure of gener...
Chapter
Full-text available
This chapter illustrates the manufacturability of uniform TPMS structures and discusses their precision analysis, microstructure, and static mechanical properties. It evaluates the manufacturability of TPMS lattice structures through the SLM process with different metal powders including 316L stainless steel, Ti-6Al-4V, and AlSi10Mg. The effects of...
Chapter
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This chapter performs fatigue testing and analysis of uniform and gradient TPMS lattice structures, revealing the mechanism of crack nucleation and propagation and tensile stress on the surface. Surface treatments such as sandblasting can remove most of the crack nucleation starting point and strengthen the surface matrix material, thereby enhancin...
Article
Components fabricated by four-dimensional (4D) printing hold the potential for applications in soft robotics because of their characteristics of responding to external stimuli. Grippers, being the common structures used in robotics, were fabricated by the selective laser sintering (SLS)-based 4D printing of magnetism-responsive materials and tested...
Article
A self-hardening three-dimensional (3D)-porous composite bone graft consisting of 65 wt% hydroxyapatite (HA) and 35 wt% aragonite was fabricated using a 3D-Bioplotter®. New tetracalcium phosphate and dicalcium phosphate anhydrous/aragonite/gelatine paste formulae were developed to overcome the phase separation of the liquid and solid components. Th...
Preprint
Full-text available
According to the composite design, a series of black TiO 2 /graphene composites were synthesized to improve its photocatalytic activity. TiO 2 is generated in situ on the surface of graphene by a facile sol-gel method. The combination of graphene and TiO 2 was beneficial for eliminating the opportunity of photogenerated electron-hole recombination...
Article
Full-text available
Due to its real-time control, high folding ratio, and structure self-locking, flexible large curvature self-folding devices have broad application prospects, such as foldable human implants, flexible electronics, and flexible robots. Driven by this background, flexible large curvature folding butterfly (Polyura eudamippus) proboscises were studied...
Article
Understanding the complicated crystallization process is important for controlling the performance reproduc-ibility and stability in high temperature-selective laser sintering (HT-SLS). Therefore, in this paper, the performance of HT-SLS processed polyetheretherketone (PEEK) is analyzed from the perspective of crystallization kinetics. It is found...
Article
Hydroxyapatite (HA) is a promising biomaterial for tissue engineering scaffolds due to its similar performance and composition to natural bone. However, the brittleness and poor toughness of pure HA limit its clinical application. Therefore, a lot of HA composites have been prepared to improve their mechanical performance. Fabricating complex and c...
Article
Full-text available
This paper analyzes the current situation and problems of university teaching under the multi-dimensional, multi-level and compound talent training objective of "New engineering". According to the cutting-edge, practical and innovative characteristics of 3D printing technology, the multi-dimensional teaching model of "Classroom-experiment-innovatio...
Article
Cu-based shape memory alloys are promising materials for functional or intelligent applications because of its good shape memory properties and low cost. As an additive manufacturing technique, selective laser melting (SLM) is easy to produce such complex intelligent components, moreover, the rapid solidification rate can obtain fine microstructure...
Article
Full-text available
Integrated sensor-actuators with exciting functionalities, such as action self-sensing, position self-sensing, posture self-sensing, or active sensing, are promising for applications in biomedical device, human–machine interaction, intelligent self-protection device, and humanoid robots. Despite recent progress, it remains challenge to achieving a...