Andreas Killinger
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View article: Influential Factors on the Combustion of the Polymer Binder System in F-HVOF
Influential Factors on the Combustion of the Polymer Binder System in F-HVOF Open
This study investigates the combustion dynamics and decomposition of filled thermoplastic filaments in filament high-velocity oxy-fuel spraying to improve deposition efficiency and coating quality. A quasi-steady-state combustion mechanism…
View article: Smart thin porous calcium phosphate coatings for local antibiotic delivery
Smart thin porous calcium phosphate coatings for local antibiotic delivery Open
Objective Implant failure after arthroplasty, primarily due to aseptic loosening or periprosthetic joint infection, remains a significant clinical problem. Bioactive ceramic coatings, such as β-tricalcium phosphate (β-TCP), enhance osseoin…
View article: Smart Thin Porous Calcium Phosphate Coatings for Local Antibiotic Delivery
Smart Thin Porous Calcium Phosphate Coatings for Local Antibiotic Delivery Open
Implant failure after arthroplasty due to aseptic loosening or periprosthetic joint infections remains a serious clinical challenge. To avoid these complications, bioactive ceramic coatings e.g., β-tricalcium phosphate (β-TCP) can be used …
View article: Biodegradable, Antibacterial <scp>TCP</scp> Implant Coatings With Magnesium Phosphate‐Based Supraparticles
Biodegradable, Antibacterial <span>TCP</span> Implant Coatings With Magnesium Phosphate‐Based Supraparticles Open
This work highlights the potential of porous, bioactive coatings to advance implant technology and address critical clinical challenges. A key issue in implant coatings is to achieve the balance between infection prevention and successful …
View article: Effect of 20‐μm‐Thin Ceramic Coatings of Hydroxyapatite, Bioglass, <scp>GB14</scp> and β‐<scp>TCP</scp> With Copper on the Ingrowth Behavior of Femoral Implants
Effect of 20‐μm‐Thin Ceramic Coatings of Hydroxyapatite, Bioglass, <span>GB14</span> and β‐<span>TCP</span> With Copper on the Ingrowth Behavior of Femoral Implants Open
Aseptic loosening and infection are still the main reasons for revision surgery. The contact of the implant is made through the surface, which is coated with calcium phosphate ceramics for better integration into the bone. The aim of the p…
View article: Multi-Scale Modelling of Residual Stress on Arbitrary Substrate Geometry in Atmospheric Plasma Spray Process
Multi-Scale Modelling of Residual Stress on Arbitrary Substrate Geometry in Atmospheric Plasma Spray Process Open
This work presents an exhaustive parametric study of the multi-scale residual stress analysis on arbitrary substrate geometry based on a one-way-coupled thermo-mechanical model in an Atmospheric Plasma Spray process. It was carried out by …
View article: Infrared Pyrometric Technique for In-Situ Temperature Measurements Inside the Substrate in Atmospheric Plasma Spray Coating Processes
Infrared Pyrometric Technique for In-Situ Temperature Measurements Inside the Substrate in Atmospheric Plasma Spray Coating Processes Open
The aim of this work is to propose a novel low-cost non-contact infrared pyrometric technique for in-situ temperature measurement at different depths of the substrate without interfering with the coating process from the backside of the su…
View article: Thin GB14 coatings on implants using HVSFS
Thin GB14 coatings on implants using HVSFS Open
Enhancing osseointegration, the process by which medical implants securely bond to bone, is crucial for improving patient outcomes in orthopedics and dental surgery. Calcium alkali orthophosphates, with their superior bioactivity, resorbab…
View article: Multi-Scale Thermo-Mechanical Model Simulation of Residual Stress in Atmospheric Plasma Spray Process
Multi-Scale Thermo-Mechanical Model Simulation of Residual Stress in Atmospheric Plasma Spray Process Open
This work presents a multi-scale one-way-coupled thermo-mechanical method to determine the residual stress in an Atmospheric Plasma Spray (APS) process. The model uses three submodelling scale levels that range from the entire component (m…
View article: Modelling and Experimental Validation of the Flame Temperature Profile in Atmospheric Plasma Coating Processes on the Substrate
Modelling and Experimental Validation of the Flame Temperature Profile in Atmospheric Plasma Coating Processes on the Substrate Open
This work presents a characterisation model for the temperature distribution at different substrate depths during the atmospheric plasma spray (APS) coating process. The torch heat flow in this model is simulated as forced convection defin…
View article: Suspension-Sprayed Calcium Phosphate Coatings with Antibacterial Properties
Suspension-Sprayed Calcium Phosphate Coatings with Antibacterial Properties Open
Prosthesis loosening due to lack of osteointegration between an implant and surrounding bone tissue is one of the most common causes of implant failure. Further, bacterial contamination and biofilm formation onto implants represent a serio…
View article: Metallization of Carbon Fiber-Reinforced Plastics (CFRP): Influence of Plasma Pretreatment on Mechanical Properties and Splat Formation of Atmospheric Plasma-Sprayed Aluminum Coatings
Metallization of Carbon Fiber-Reinforced Plastics (CFRP): Influence of Plasma Pretreatment on Mechanical Properties and Splat Formation of Atmospheric Plasma-Sprayed Aluminum Coatings Open
Carbon fiber-reinforced plastics (CFRPs) have broad applications as lightweight structural materials due to their remarkable strength-to-weight ratio. Aluminum is often used as a bond coating to ensure adhesion between CFRPs and further co…
View article: Prediction of In-Flight Particle Properties and Mechanical Performances of HVOF-Sprayed NiCr–Cr3C2 Coatings Based on a Hierarchical Neural Network
Prediction of In-Flight Particle Properties and Mechanical Performances of HVOF-Sprayed NiCr–Cr3C2 Coatings Based on a Hierarchical Neural Network Open
High-velocity oxygen fuel (HVOF) spraying is a promising technique for depositing protective coatings. The performances of HVOF-sprayed coatings are affected by in-flight particle properties, such as temperature and velocity, that are cont…
View article: MISTRAL campaign in support of W7-X long pulse operation
MISTRAL campaign in support of W7-X long pulse operation Open
Following two initial campaigns [1], Stellarator Wendelstein 7-X (W7-X) has now completed the construction phase by installation of active cooling of all plasma facing components. The machine is presently commissioned for the next campaign…
View article: Deposition of Fluoresceine-Doped HAp Coatings via High-Velocity Suspension Flame Spraying
Deposition of Fluoresceine-Doped HAp Coatings via High-Velocity Suspension Flame Spraying Open
In current medicine, joint revision surgery plays an important role in the treatment of degenerative joint diseases. Infections of the artificial joints are an iatrogenic, accompanying symptom after joint replacement procedures. A new appr…
View article: Resonant Atmospheric Plasma-Sprayed Ceramic Layers Effectively absorb Microwaves at 170 GHz
Resonant Atmospheric Plasma-Sprayed Ceramic Layers Effectively absorb Microwaves at 170 GHz Open
Microwave absorbing layer materials (MALMs) are extremely important for many components in fusion reactors to absorb microwave radiation in a controlled manner and with predictable power density. Therefore, a detailed knowledge of absorpti…
View article: Plasma Spraying of a Microwave Absorber Coating for an RF Dummy Load
Plasma Spraying of a Microwave Absorber Coating for an RF Dummy Load Open
The European fusion reactor research facility, called International Thermonuclear Experimental Reactor (ITER), is one of the most challenging projects that involves design and testing of hundreds of separately designed reactor elements and…
View article: Deposition of 3YSZ-TiC PVD Coatings with High-Power Impulse Magnetron Sputtering (HiPIMS)
Deposition of 3YSZ-TiC PVD Coatings with High-Power Impulse Magnetron Sputtering (HiPIMS) Open
Optimized coating adhesion and strength are the advantages of high-power impulse magnetron sputtering (HiPIMS) as an innovative physical vapor deposition (PVD) process. When depositing electrically non-conductive oxide ceramics as coatings…
View article: Additive Manufacturing of β-Tricalcium Phosphate Components via Fused Deposition of Ceramics (FDC)
Additive Manufacturing of β-Tricalcium Phosphate Components via Fused Deposition of Ceramics (FDC) Open
Bone defects introduced by accidents or diseases are very painful for the patient and their treatment leads to high expenses for the healthcare systems. When a bone defect reaches a critical size, the body is not able to restore this defec…
View article: Modelling of Alumina Splat Solidification on Preheated Steel Substrate Using the Network Simulation Method
Modelling of Alumina Splat Solidification on Preheated Steel Substrate Using the Network Simulation Method Open
A mathematical model, consisting of a set of differential equations, for the simulation of the alumina splat solidification on steel substrate is presented. The network simulation method is used to solve the problem, which provides the tem…
View article: Forsterite/nano-biogenic hydroxyapatite composites for biomedical applications
Forsterite/nano-biogenic hydroxyapatite composites for biomedical applications Open
Recently, silicate materials have received attention as materials with promising applications in the bioceramics field. A recent study aimed to investigate the effect of forsterite (Mg2SiO4) addition to biogenic hydroxyapatite, Ca10(PO4)6(…
View article: High Velocity Suspension Flame Spraying (HVSFS) of Metal Suspensions
High Velocity Suspension Flame Spraying (HVSFS) of Metal Suspensions Open
Thermal spraying of metal materials is one of the key applications of this technology in industry for over a hundred years. The variety of metal-based feedstocks (powders and wires) used for thermal spray is incredibly large and utilizatio…
View article: Thin Degradable Coatings for Optimization of Osteointegration Associated with Simultaneous Infection Prophylaxis
Thin Degradable Coatings for Optimization of Osteointegration Associated with Simultaneous Infection Prophylaxis Open
One of the most common causes of implant failure is aseptic prosthesis loosening. Another frequent complication after prosthesis implant is the microbial colonization of the prosthesis surface, which often leads to a replacement of the pro…