Investigation of engineering, materials and corrosion-related failures • Mechanical failures in load-bearing components • Glass damage • Metallurgical incidents • Analysis of fire-damaged metals • Fibre identification • Investigation of cargo damage • Cargo liquefaction cases • Incidents involving coating failures (paint) I have provided expert testimony in court in the UK, Hong Kong and Singapore.

Materials specialist, investigating matters involving: • Concrete technology • Warehouse floors & hardstandings • Failure of concrete repair works • Concrete durability & specification • Concrete placing, bleed & shrinkage cracking • Paints & coatings for concrete • Air entrainment of concrete & performance in freezing conditions • Construction in hot climates • Underground concrete construction • Concrete test methods & data interpretation • General forensic examination of construction failures

Materials analysis • Microanalysis using energy & wavelength dispersive X-ray analysis & interpretation of analysis results in engineering failures or materials characterisation • Scanning electron microscopy • Fractography • Hydrogen embrittlement of fasteners • Copper pipe failures • Fastener failures • Fuse failures • Metallic packaging failures (including beverage cans) • Pitting corrosion & preferential corrosion in water supply systems • Particle analysis & wear debris analysis • Electrical equipment failures associated...

Investigation & testing of building & civil engineering materials & components Charles Darley Associates are independent materials testing consultants. Expertise is available in a wide range of materials and components including blockwork, cladding, reinforced and pre-stressed concrete, flooring, glazing, plaster, render, roofing systems and screeds. Dr Darley specialises in failure investigation, appraisal of latent defects and deterioration and assessment of physical damage.

Consultant Forensic Engineer & expert witness undertaking the investigation of engineering incidents & personal injury accidents for commercial, legal & insurance clients • Provision of independent & impartial expert witness evidence • Mechanical, metallurgical & non-metallic materials (i.e. polymer, composite, rubber, glass & ceramic materials) based investigations • Forensic investigations both on-site & laboratory based • Component failure analysis, including expertise in fractography & electron microscopy (SEM) •...

Concrete use, specification & failure investigation • Mortar • Render • Screed flooring • Sealants • Paint • Chemical analysis • Ceramic tiling, internal & external • Corrosion • Reinforcement corrosion • Petrographic analysis • Alkali-silica reaction (ASR) • UKAS accredited for selected tests

Adhesives • Body fluids, alcohol in • Bitumens & asphalts • Corrosion & metal treatment • Detergents & wetting agents • Surfactants • Forensic science • Paints • Sealants • Printing inks • Packaging materials • Plastics • Rubbers • Colour measurement • Skid resistance & slip testing • Double-glazing failures • Patent infringements • Road markings Additional email: [email protected]

Glass analysis • Paint analysis • Fibre analysis • Footwear mark & toolmark comparisons • Forensic evidence, general • Analytical chemistry • Drink drive calculations • Drug analysis, valuation & packaging • MDT analysis • Drug driving • Electronic tags

My area of expertise includes: • Vehicle inspections and valuations • Salvage categorisations • Diminution in market value • Locus reports • Comparison reports • Post-repair inspections and reports relating to the rejection of motor vehicles • Repair assessment in defective goods cases • Mechanical and bodywork vehicle defects • Motor engineering I also have a specialist interest in rare, classic, sports, light and heavy goods and imported vehicles. Also engineer report reviews to assist a barrister with cross-examination.