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

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.

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.

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) •...

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...

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]

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

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