Materials engineering expert witness candidates typically have an engineering discipline degree (i.e., mechanical engineering, materials engineering, civil engineering, structural engineering, or electrical engineering), along with extensive experience in forensic engineering, accident reconstruction, and/or laboratory testing. Expert witness services could include product testing and materials failure analysis, expert report preparation, depositions, expert opinion, and/or expert witness testimony in the courtroom. Law firm clients may also seek a professional engineer for pre-litigation engineering consulting work.
When the need for engineering experts arise, top litigation firms call on Cahn Litigation Services. Representative matters have encompassed:
Cahn Litigation Services has the experience required to turn an expert witness search around quickly. The firm has a reputation for providing candidates with the right balance of technical expertise and testimony to support each unique project.
Please Note: All Cahn Litigation expert witness searches are customized to attorneys' precise specifications and preferences. Attorneys are encouraged to discuss search parameters with a Cahn search specialist.
The below expert witness bios represent a small fraction of those Materials Engineering experts known by Cahn Litigation Services. These bios are provided to give attorneys a sense of the Materials Engineering landscape.
This expert received B.S., M.S., and Ph.D. degrees in Metallurgical Engineering. This expert is a Professor Emeritus, Department of Materials Science and Engineering. This expert is a member of the National Academy of Engineering (NAE) and Fellow of five professional societies in materials engineering, mechanical engineering, and automotive engineering: TMS, ASM International, ASME, SAE, and AIME. This expert was a Staff Research Scientist where this expert specialized in sheet metal forming, including dies and tools, sheet metal properties, measurement of mechanical properties, at metal plasticity. This expert continued work in those areas and added in finite element modeling of metal forming operations, steel and aluminum properties and grades, springback, friction and wear, and fundamental properties related to those applied phenomena. This expert's research work and publications are approximately half in metallurgy/materials and half in mechanical engineering. This expert has taught courses, both graduate and undergraduate, on materials, material properties, mechanical testing, metal plasticity, and other related topics. This expert's group performs a variety of research related to large-strain deformation, dislocation mechanisms, forming, finite element modeling and new experimental methods. This expert is the author of more than 300 technical articles, 2 proceedings volumes, 2 combined proceedings and authored books, and 2 text books in these areas. This expert has presented over 100 international and invited papers, and has advised 24 masters theses and 29 doctoral dissertations. This expert serves as a consultant to industry with regard to mechanical and materials engineering, particularly regarding die forming, sheet materials, and their automotive applications.
This expert has extensive expert witness experience including report writing, over a dozen depositions and four occasions of courtroom testimony. This expert has specialized consulting in intellectual property litigation, but not exclusively. This expert's work is generally in metallurgical and/or mechanical engineering, including sheet metal forming, metal processing, welding equipment design, and automotive component design and manufacturing.
This expert is currently Department Chair of Materials Science and Engineering, and has many years of experience in materials science and engineering, physics, mathematics, and computation. This expert's scientific work has taken this expert into many areas of materials science, including research on ceramics. This expert understands that the coloring of ceramic materials is a fundamental phenomenon that is independent of its technical application, and needs to be explained by fundamental principles of materials science and solid-state physics, which are at the core of this expert's expertise. The subject of "hardening" was the topic of this expert's PhD thesis. This expert's current research of alloy surface engineering is focused on solid-solution hardening of metals. This expert has substantial expertise in microcharacterization of materials, including atomic-resolution imaging, diffractometry, and spectrometry using state-of-the art sophisticated methodology and major instrumentation. This expert is a named inventor on 13 patents.
This expert is an Associate Professor, Department of Metallurgical Engineering, working on the development and application of Titanium Boride materials for biomedical devices. This expert is familiar with the pink color of the alumina ceramic femoral heads; this expert became aware of this in the process of developing hip implant materials.
This expert is a member of the Materials Research Society, the American Society for Materials International, the Minerals, Metals & Materials Society, and American Ceramic Society. This expert is a Fellow of the American Society of Materials International, and received an award from the Minerals, Metals and Materials Society for notable contribution to metallurgical science. This expert holds a Ph.D. in Metallurgy & Engineering, and is a named inventor on three US Patents covering material inventions. This expert has been deposed in two cases, and has provided court testimony.
This expert holds a PhD in Materials Science and Engineering and serves as Associate Professor of Materials Science and Electrical Engineering. This expert utilizes analytical and high-resolution electron microscopy for materials characterization in order to develop structure-property relationships. Areas of interest include magnetic thin films for data storage and advanced structural materials. Further increases in the areal density for magnetic data storage will require new materials that can decrease the size of individual magnetic grains in the thin films. To develop the processing methods for growing these nanometer size features demands materials characterization with atomic resolution.
The majority of this expert's work has concentrated on magnetic materials. During this expert's post-doctoral studies, this expert performed research on Fe-Si alloys for soft-magnetic applications. This expert worked on permanent magnet materials such as Pt-Co-B alloys and this expert was involved in the development of magnetic-recording media for data storage for many years. This expert has over 30 publications concerning a number of different magnetic materials including CoPtCr longitudinal media, soft magnetic underlayers such FeTaN/IrMn and NiFe/IrMn multilayers, FePt/MgO multilayers, and FePt nanoparticles. This expert was a member of the International Magnetic Data Storage Consortium and has had research funding from many of the major hard drive manufactures.
Materials characterization using electron microscopy is the main thrust of this expert's research. This expert has excellent infrastructure for materials characterization that includes a scanning electron microscope with an energy dispersive spectrometer.
This expert has many years of experience as an expert for litigation primarily in failure analysis cases. This expert has been deposed and testified numerous times.
This expert has many years of experience in materials science and engineering. This expert is a Professor of Materials Science & Engineering. Much of this expert's work has involved formulating materials for enhanced electrical and electromechanical response with associated experience in spectroscopy. According to this expert, in nearly all ceramic compositions, the enhanced response results from functional dopants or dopant pairs that also cause ancillary, i.e., non-performance critical, changes in properties. Color changes are a quite common outcome of dopants that were added for a key, non-color, functional purpose. This is the situation for the electroactive materials of this expert's research, e.g., PMN, PZT and oxynitrides, and also for the dielectric materials (alumina) emphasized in university courses.
One of this expert's courses addressed the causes of color in glasses and ceramics. A hands-on illustration, also used in long-running courses, was the progressive reddening of alumina with increasing levels of chrome associated with enhanced mechanical response. One of this expert's courses addressed bio-implantable devices, e.g., hip-implants and defibrillators. In addition to technical expertise, this expert has both deposition and trial experience.
This expert holds a PhD in Solid State Engineering and a BS in Polymer Science, and Coursework to achieve a Chemistry Educator Certification.
This expert holds a PhD in Materials & Structures (Interdisciplinary Engineering). This expert has many years of experience in marketing, management, engineering, and manufacturing technical roles within the composite structures and propulsion industry. This expert has expertise and skills developed in export control regulations, materials evaluation, and broad range of composite structures manufacturing processes, design and analysis methodology, non-destructive testing (NDI), testing and market research. This expert is recognized as a key technical expert internationally with services on critical U.S. Government and industry committees, and professional society advisory boards, in areas of commercial and aerospace composites design and manufacturing technology.
This expert's experience in aramid fibers is extensive with both thermoset and thermoplastic resin materials, as well as having conducted significant "impact damage" studies and creep (time-dependent deformation) on these materials. This expert has a lot of experience with the largest suppliers of recognized aramid quality products. Further, as a Global Technical Director of the society which covers all advanced materials (aramid fibers included) and process engineering (manufacturing), this expert is involved heavily in the technology and programs in China, Japan, Europe, North America, Mexico, and Brazil.
This expert's multidisciplinary expertise and many years of broad technical experience cross-cuts fields of electrical engineering, optics, materials engineering, and physical sciences. From an electrical engineering perspective, this expert has extensive experience in solar cells, light-emitting diodes and displays, capacitors, memories, transistors, sensors, and circuits. This expert's materials background includes organic and inorganic semiconductors, metals, nanomaterials, biomaterials, thin-films, and material interfaces. This expert specializes in device physics, materials and thin-film processing, device fabrication, improving functional performance, analyzing failures, and understanding process-structure-property-performance relationships across material, component, device, and system levels. This expert's characterization tool skill-set includes a wide range of electrical, optical, microscopic, and spectroscopic techniques.
Prior to becoming a consultant, this expert was a university professor as head of the Nano Architectonics and Organic Electronics Laboratory, and also worked a National Laboratory. During this period, this expert developed new materials processing approaches and optical architectures to improve efficiency of thin-film solar cells. This expert's photovoltaic material expertise includes conjugated polymers/molecules, cadmium telluride, perovskite, and silicon material systems. This expert also made multiple contributions in the area of defect characterization in semiconductor thin-films. Other key works include projects on titania based memory devices, optical and bio(chemical) sensors, organic thin-film transistors, organic light-emitting displays, and photonic components such as waveguides, anti-reflection coatings, transparent electrodes, and plasmonic structures. For characterization purposes, this expert has extensively utilized a wide range of electrical, optical, microscopic, and spectroscopic techniques. During doctoral studies, this expert worked with materials such as organic semiconductors, quantum dots, carbon nanotubes, nanotemplates, and biomolecules on developing functional hybrids and embodiments pertinent to consumer electronics, nanotechnology, and biotechnology.
This expert has assisted clients in developing metrology solutions for opto-electronic thin-films, investigating performance bottlenecks in solar cells, and characterizing new synthetic materials for consumer electronic device applications. This expert has also consulted for edtech clients and has experience teaching courses on electric circuits, semiconductor materials and devices, flexible electronics, and energy systems. This expert has published 50 peer-reviewed research articles in top international journals and presented work in major international conferences. This expert has received several awards and honors, including the nationally prestigious US National Science Foundation CAREER Award.
Most of this expert's consulting work is non-litigation failure and design, however, this expert is currently working as the testifying expert on an unrelated solar matter. This expert has written expert reports.
This expert brings to the table many years of experience in the areas of materials engineering, failure analysis and engineering investigations. This expert holds both a BS and MS in Materials Engineering. Specializing in the determination of root cause and problem resolution, with extensive experience designing and conducting field and laboratory testing, this expert's work has encompassed metallurgy, property/structure relationships, stress states and corrosion of both ferrous and non-ferrous materials from across a broad range of industries. Much of this expert's background centers around the areas of materials characterization, fractography, metallography and mechanical testing.
Although this expert's work has supported a broad spectrum of industries, this expert has worked with natural gas suppliers/distributors for most of this expert's career. This expert's work within the natural gas industry has been generally associated with large, catastrophic incidents, with state regulatory agencies involved, where this expert was tasked with identifying root cause. However, this expert has also been involved with evaluation and replacement programs, including the fit-for-service evaluation of cast iron pipes sections removed from existing lines.
This expert has provided litigation support to select clients for many years, with this expert's first project assisting a subrogation specialist successfully resolving a dispute regarding the fracture of a cast iron fire hydrant line that flooded the bottom floor of a building. This expert's litigation support clients have represented a wide range of industries, including natural gas. This expert has been involved with over 100 litigated or pre-litigation matters, and has provided deposition testimony approximately thirteen times.
This expert holds a PhD in Chemical Engineering and Materials Science, and serves as the Department Head of the Electronic Materials and Devices Applied Research Laboratory at a major university. In addition to work and research in an academic setting, this expert spent several years in industry managing efforts in electronic and photonic materials. This expert is also the named inventor on two patents dealing with single crystal fabrication and an apparatus to do so.
This expert’s expertise and experience includes:
20 years of experience in the PVT and CVD growth of Silicon Carbide;
Establishing the initial Silicon Carbide production capability at a manufacturing company;
Principal investigator for a military R&D project directly responsible for extensive research on all aspects of Silicon Carbide PVT process for semi-insulating and conductive materials;
Under a DARPA funded project, co-principal investigator on a highly successful program to develop advanced CVD processes for Silicon Carbide (HCVD).
This expert is very well versed in all aspects of bulk and epitaxial Silicon Carbide characterization, defect formation and correlation between growth related defects and process conditions. This expert heads a large military contract to evaluate CVD growth of Silicon Carbide for power electronics applications with enhanced device reliability. This expert’s department currently uses two PVT and five CVD Silicon Carbide growth systems for a variety of research programs and this expert has extensive experience with finite element simulations of PVT and CVD growth of Silicon Carbide. This expert has extensive expert witness experience including deposition and testimony experience.
This expert received bachelor's and master's degrees in Electrical and Electronic Engineering and a Ph.D. in Electrical Engineering and Computer Science. This expert's thesis advisor is widely regarded as one of the world's foremost experts in CMP. This expert participated in weekly group meetings and CMP project-specific meetings, in which CMP mechanics, materials and modeling projects were discussed and participants put forward interpretations of data, suggested experimental designs, and debated modeling approaches. This experience provided his initial grounding in and understanding of the field of CMP.
This expert's thesis work was on the topic of nanoimprint lithography (NIL), a semiconductor manufacturing process which has a number of physical commonalities with CMP. Both NIL and CMP involve mechanical contact between two solid bodies separated by a fluid layer (wafer/slurry/pad in CMP and wafer/resist/stamp in NIL), and in both processes, mechanical deformations of the solid bodies need to be understood and controlled to ensure that manufactured semiconductor devices are within dimensional specifications.
This expert has been working with one of the world's leading manufacturers of CMP equipment to model and simulate CMP using novel pad geometries. These pads are composed of multiple materials with heterogeneous properties.