Publications about Failure Analysis of Plastics from the Polymer Library
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| 974102 | SYSTEMATIC FAILURE ANALYSIS OF PLASTIC PARTS. |
| Failure analysis, the purpose of which is to determine the cause of damage and prompt corrective measures to prevent the failure happening, is discussed. It is shown that plastics failure analysis requires a systematic procedure and the strategic application of special analytical methods. Failure an ......... | |
| (The original document is in English and was published in 2006). | |
| 972164 | SURFACE FAILURE ANALYSIS OF UNREINFORCED, GLASS AND CARBON FIBRE REINFORCED NYLON 6/6 GEARS. |
| The effect of gear tooth stiffness on contact stress and shear stress distribution was studied. Gears made from engineering polymers, unreinforced, 20% glass fibre- and carbon fibre-reinforced nylon 6/6, were subjected to analytical and experimental studies. Injection-moulded gears were tested in a ......... | |
| (The original document is in English and was published in 2005). | |
| 971305 | MATERIALS ANALYST. PART 75: PHYSICAL TESTING AS A FAILURE ANALYSIS TOOL. |
| When a moulded part fails in the field or in qualification testing, the performance shortfall is almost always a mechanical one. When evaluating the cause of a plastic product failure, analysts have a number of tools at their disposal. Sometimes attention turns to an actual measurement of the physic ......... | |
| (The original document is in English and was published in 2006). | |
| 967289 | DEVELOPMENT OF A TEST AND FAILURE ANALYSIS METHODOLOGY FOR ELASTOMERIC SEALS EXPOSED TO EXPLOSIVE DECOMPRESSION. |
| The characterisation of the explosive decompression failure behaviour of pressurised elastomer seals is addressed by the development and implementation of an adequate test methodology, which is described in this paper. Conventional and instrumented explosive decompression tests were performed on HNB ......... | |
| (The original document is in English and was published in 2006). | |
| 965278 | FAILURE PREVENTION - LESSONS FROM THE FAILURE ANALYSIS INVESTIGATIONS. |
| This paper describes four case studies relating to the failure analysis of medical packaging devices, and involving the joining of plastic materials. It also gives details of the expertise of and test protocol used at the authors' laboratory (not specified). Mechanical, chemical, thermal and rheolog ......... | |
| (The original document is in English and was published in 2005). | |
| 960800 | FAILURE ANALYSIS OF WOVEN LAMINATED GLASS-VINYLESTER COMPOSITES WITH PIN-LOADED HOLE. |
| An investigation was carried out into the loadbearing behaviour and failure of a woven glass-vinyl ester composite plate having a circular hole and subjected to a traction force by a rigid pin. Variables studied both numerically (finite element analysis) and experimentally were the distance from the ......... | |
| (The original document is in English and was published in 2006). | |
| 958125 | FAILURE ANALYSIS OF A PEX PIPING CRIMP SYSTEM. |
| Premature failures occurred in some crosslinked polyethylene (PEX) piping systems that utilised a stainless steel crimp ring to attach the PEX pipe to copper or brass fittings. Leaks in these systems were traced to a non-uniform crimping of the PEX tubing around the circumference of the fittings. So ......... | |
| (The original document is in English and was published in 2005). | |
| 954984 | FAILURE ANALYSIS AND FAILURE PREVENTION OF A FLOATING DEVICE. |
| Saving keys that dropped in water is possible with a device to which keys are attached. It has a built-in float, which is activated when the product drops in water. The float launches itself up on a line of about 12m and appears back on the surface. The float is snap-fitted in the inner housing of t ......... | |
| (The original document is in English and was published in 2005). | |
| 952172 | FAILURE ANALYSIS OF RETURNABLE PET BOTTLES. |
| The strength, optical properties, surface characteristics and morphology of PETP are examined and the fracture toughness and crystallinity of various returnable PETP bottles investigated. A polishing method for treating scrap bottles is described. 8 refs. Articles from this journal can be requested ......... | |
| (The original document is in Hungarian and was published in 2005). | |
| 951571 | FIRST-PLY FAILURE ANALYSIS OF LAMINATED COMPOSITE CYLINDRICAL PANELS. |
| A first-ply failure (FPF) analysis of laminated composite cylindrical panels is presented. In the computation of stress and strain components a 3D layerwise mixed stress-displacement finite element model is employed. The maximum stress, Tsai-Hill, Tsai-Wu and Hoffman failure theories are used in the ......... | |
| (The original document is in English and was published in 2005). | |
| 942844 | TENSILE FAILURE ANALYSIS ON HDPE VIBRATION INJECTION MOLDINGS. |
| The effect of vibration injection moulding on the tensile properties of HDPE dumbbell samples was investigated at low frequencies. The mechanical properties and fractographs of the dumbbell samples are compared with conventionally injection moulded samples. 11 refs. ......... | |
| (The original document is in Chinese and was published in 2005). | |
| 940354 | PROGRESSIVE FAILURE ANALYSIS OF LAMINATED UNSTIFFENED AND STIFFENED COMPOSITE PANELS. |
| Progressive failure analysis of laminated unstiffened and stiffened composite panels under transverse static loadings in the linear elastic range was studied using finite element analysis. An iterative method was adopted using various failure theories to predict the first-ply failure load, and then ......... | |
| (The original document is in English and was published in 2005). | |
| 939383 | FAILURE ANALYSIS OF HINGES: APPLICATION OF ROOT CAUSE ANALYSIS. |
| Plastic hinges experience different types of stresses and end-use conditions that could lead to their failure. Root cause analysis (RCA) was used to investigate three different cases of the failure of hinges. An illustrative description of each case is stated followed by the suggestion of the potent ......... | |
| (The original document is in English and was published in 2004). | |
| 939373 | FAILURE ANALYSIS OF AN ACRYLIC AUTOMOTIVE PART. |
| Cosmetic integrity is an extremely important property for automotive interior applications. Field returns or customer complaints are considered unacceptable from a supplier's standpoint. The occurrence of one such failure in a painted acrylic part, prompted an investigation into the nature and poten ......... | |
| (The original document is in English and was published in 2004). | |
| 938840 | HIGH STRAIN RATE RESPONSES AND FAILURE ANALYSIS IN POLYMER MATRIX COMPOSITES - AN EXPERIMENTAL AND FINITE ELEMENT STUDY. |
| The microstructural damage progression at various stress levels under high strain rate(HSR) loading was studied in both unidirectional and woven S2-glass/vinyl ester resin composites. The stress-strain plots were generated at various strain rates, in a very systematic manner, in all the three princi ......... | |
| (The original document is in English and was published in 2005). | |
| 938285 | SIMPLIFYING FAILURE ANALYSIS FOR ADHESIVE JOINING OPERATIONS. |
| Troubleshooting a failure in an adhesively bonded joint can be a daunting task due to the wide variety of processing and performance variables that can affect joint performance. Fortunately most failures can be attributed to one of four causes: No/Poor Cure of the Adhesive; Poor Bond Strength to a S ......... | |
| (The original document is in English and was published in 2004). | |
| 937026 | MICROSCOPY AND X-RAY ELEMENTAL SPECTROSCOPY IN FAILURE ANALYSIS : CASE STUDIES. |
| Optical and scanning electron microscopy (SEM) techniques, coupled with energy dispersive X-ray analysis (EDS) are effective tools in investigating the cause of failures in articles made from plastics. Practical examples and findings are reviewed that have been used to solve customer problems in rea ......... | |
| (The original document is in English and was published in 2004). | |
| 937020 | GAS CHROMATOGRAPHY/MASS SPECTROSCOPY FOR PLASTICS FAILURE ANALYSIS . |
| Gas Chromatography/mass spectroscopy is particularly useful as an analytical method for plastics failure analysis in cases where detection of an unknown contaminant or other compositional factor may be the cause or a contributor to failure. It takes advantage of the fact that GC is a method of separ ......... | |
| (The original document is in English and was published in 2004). | |
| 930818 | STRENGTH AND FAILURE ANALYSIS OF CENOSPHERE FOAM CORED GLASS SKIN SANDWICHES. |
| Sandwich structures were fabricated with skins of E-glass bidirectional woven fabric and cores of epoxy resin filled with various amounts of cenospheres consisting of hollow spherical particles of fly ash having particle sizes in the range from 20 to 200 micrometers. The flexural properties of these ......... | |
| (The original document is in English and was published in 2004). | |
| 917961 | FAILURE ANALYSIS OF ASBESTOS-PHENOLIC COMPOSITE JOURNAL BEARING. |
| Large composite bearings are increasingly employed in journal bearings for marine application because the composite bearings eliminate the seizure problem between journals and bearings. However, large composite journal bearings are vulnerable to failure, due to the stress concentration in grooves fo ......... | |
| (The original document is in English and was published in 2004). | |
| 917857 | APPROACHES TO PLASTIC PRODUCTS FAILURE ANALYSIS . |
| Product failure is commonly associated with material selection, design aspects, type of manufacturing processed employed, service use conditions, or a combination of these factors. In the case of plastic product failure, an independent systematic investigation may be required to determine the causes ......... | |
| (The original document is in English and was published in 2004). | |
| 916442 | FAILURE ANALYSIS OF POLYMER MATRIX COMPOSITE (PMC) HONEYCOMB SANDWICH JOINT PANELS. |
| The structural behaviour and material failure characteristics of polymer-matrix composite sandwich joint panels, comprising fibre-reinforced polyimide thermoset resin composite face sheets and a titanium honeycomb core, under transverse loads were investigated. Linear and nonlinear finite element mo ......... | |
| (The original document is in English and was published in 2004). | |
| 904679 | ACOUSTIC EMISSION APPLIED TO FAILURE ANALYSIS OF COMMINGLED YARN GF/PP COMPOSITES IN TRANSVERSE TENSION AND MODE I DELAMINATION. |
| The influence of the fibre/matrix interface on the acoustic response of commingled yarn glass fibre/polypropylene (PP) composites with different interfacial qualities submitted to transverse tension and mode I fracture mechanics loading was investigated. The results are discussed in terms of the eff ......... | |
| (The original document is in English and was published in 2003). | |
| 889924 | FAILURE ANALYSIS OF FIBER-REINFORCED POLYMER BRIDGE DECK SYSTEM. |
| A description is given of a detailed finite element analysis of a fibre-reinforced plastic bridge deck system located over Bentley Creek in Chemung County, New York, carried out to investigate possible failure mechanisms of the deck-superstructure system. The deck panels are made from E-glass stitch ......... | |
| (The original document is in English and was published in 2003). | |
| 888474 | FIRST PLY FAILURE ANALYSIS OF LAMINATED STIFFENED PLATES. |
| A new laminated plate stiffened element is presented for the first ply failure analysis of laminated stiffened plates. The first ply failure loads of cross-ply stiffened plates is estimated with the present formulation under uniformly distributed load and sinusoidal load using various prominent fail ......... | |
| (The original document is in English and was published in 2003). | |
| 887615 | FAILURE ANALYSIS OF PIN-LOADED ALUMINUM-GLASS-EPOXY SANDWICH COMPOSITE PLATES. |
| Failure load and failure mode were investigated in an aluminium-glass-epoxy resin sandwich composite plate, with a circular hole, which was subjected to a traction force by a pin. The effects of joint geometry and fibre orientation on the failure strength and failure model was evaluated by performin ......... | |
| (The original document is in English and was published in 2003). | |
| 880714 | FAILURE ANALYSIS OF RUBBER TOUGHENED EPOXY RESIN. |
| The failure of epoxy cresol novolac resin (ECN) blends containing varying proportions of carboxy-terminated polybutadiene (CTPB) liquid functional rubber was studied. Adding CTPB at 10 wt% produced the maximum benefit in toughening the ECN. However, increasing the rubber content beyond 10 wt% result ......... | |
| (The original document is in English and was published in 2003). | |
| 880365 | FAILURE ANALYSIS OF FRP SANDWICH BUS PANELS BY FINITE ELEMENT METHOD. |
| The weakest part of fibre-reinforced polymer composites (FRP) sandwich structures is commonly the interfacial zone between layers. Under service loading, delamination failure will be most likely to initiate from these interfaces. Typical failure analysis for such sandwich structures usually depends ......... | |
| (The original document is in English and was published in 2003). | |
| 880347 | FAILURE ANALYSIS OF COMPOSITE PIN LOADED JOINTS. |
| An analysis is performed to evaluate the bearing strength of pin-loaded composite joints. The analysis involves using the Chang-Scott-Springer characteristics curve model and 2D finite element analysis to evaluate the stress distribution around the fastener hole. Characteristic lengths in tension an ......... | |
| (The original document is in English and was published in 2003). | |
| 879333 | FAILURE ANALYSIS OF HNBR OIL SEALS. |
| This article concerns HNBR oil seals situated within a gear coupling, which is used to drive a standard aluminium rolling mill. Premature failures occurred during normal service operation for seals installed on the drive end of the gear coupling, while no corresponding failure occurred on the output ......... | |
| (The original document is in English and was published in 2003). | |
| 878312 | FAILURE ANALYSIS AND REDESIGN OF A POLYCARBONATE SPRING. |
| Polycarbonate (PC) springs manufactured by injection moulding and used to hold a positioning device exhibited premature failure due to one of: clamping force reduction due to stress relaxation; rupture due to stable crack extension; and rupture due to stress variation from the locked to the unlocked ......... | |
| (The original document is in English and was published in 2002). | |
| 871628 | FAILURE ANALYSIS KEY FOR RUBBER-TO-METAL PARTS. |
| There are innumerable items made for automotive,aerospace and industrial applications where elastomers are adhered to metal using bonding agents that cure and bond the rubber to the metal substrate during the vulcanisation cycle. If manufacturing or in-service adhesion failures occur, the reasons fo ......... | |
| (The original document is in English and was published in 2002). | |
| 871178 | TRACING THE COST FACTORS. FAILURE ANALYSIS IN THERMAL MOULD DESIGN. |
| The need for modern injection moulders to keep unit costs constantly under surveillance in order to remain competitive is discussed and the importance of careful design of the mould cooling system is emphasised. GTT GmbH's consultancy work on analysis of the part, the mould and the process, identif ......... | |
| (The original document is in English; German and was published in 2002). | |
| 871078 | PROGRESSIVE FAILURE ANALYSIS OF LAMINATED COMPOSITE PLATES BY FINITE ELEMENT METHOD. |
| The progressive failure of graphite fibre reinforced epoxy composite plates under transverse static loading was investigated over the linear and elastic ranges. Eight noded isoparametric plate bending elements were employed to model the composite plates, which were composed of differing numbers of l ......... | |
| (The original document is in English and was published in 2002). | |
| 870755 | FAILURE ANALYSIS OF A LARGE DIAMETER FLOATING MARINE HOSE. |
| The investigations to establish the cause of the rupture of a floating marine hose (203 mm bore) transporting bunker fuel oil are detailed. The hose consisted of an inner carcass reinforced with polyester cords and steel wire, surrounded by a flotation sleeve, which was protected by an outer cover. ......... | |
| (The original document is in English and was published in 2002). | |
| 870752 | FAILURE ANALYSIS OF AUTOMOTIVE ASSEMBLIES - PART II. |
| Automotive components consisting of a metal insert over-moulded with impact modified glass fibre-reinforced poly(ethylene terephthalate) cracked adjacent to the insert following thermal shock testing (100 cycles -40 C to 180 C). The melt flow index of the material increased by 140% on drying prior t ......... | |
| (The original document is in English and was published in 2002). | |
| 870751 | FAILURE ANALYSIS OF AUTOMOTIVE ASSEMBLIES - PART I. |
| Automotive components consisting of a metal insert over-moulded with impact modified glass fibre-reinforced poly(ethylene terephthalate) cracked adjacent to the insert following thermal shock testing (100 cycles -40 C to 180 C). The components were inspected by optical and scanning electron microsco ......... | |
| (The original document is in English and was published in 2002). | |
| 868696 | FAILURE ANALYSIS OF FRP LAMINATES BY MEANS OF PHYSICALLY BASED PHENOMENOLOGICAL MODELS. |
| The successive failure of different laminates subjected to a variety of loading conditions was studied using a layer-by-layer failure analysis. Three sources of non-linearity were considered which were material non-linearity due to microdamage, matrix cracking, and changes in fibre angle with increa ......... | |
| (The original document is in English and was published in 2002). | |
| 859475 | PROGRESSIVE FAILURE ANALYSIS OF PIN-LOADED CARBON-EPOXY WOVEN COMPOSITE PLATES. |
| Details are given of the failure strength and failure mode of a pinned-joint carbon fibre-reinforced epoxy resin composite plate of arbitrary orientations. The possibility of predicting the properties of the joint from the properties of the material measured with standard tests was investigated. The ......... | |
| (The original document is in English and was published in 2002). | |
| 858457 | BUCKLING, COLLAPSE AND FAILURE ANALYSIS OF FRP SANDWICH PANELS. |
| Rectangular orthotropic fibre-reinforced plastic(FRP) sandwich panels with cores of either balsa or linear PVC foam were tested for buckling in uniaxial compression. Bifurcation in the load versus engineering strain curve was noted in all cases. For all panels tested with a balsa core, the type of f ......... | |
| (The original document is in English and was published in 2002). | |
| 856244 | FAILURE ANALYSIS OF RUBBER-TO-METAL BONDED ENGINEERED COMPONENTS. |
| For successful bonding of rubber to metal in the manufacture of quality rubber engineered components, the steps required are proper substrate preparation, proper selection of adhesive, proper adhesive preparation, proper adhesive application and selection of suitable moulding conditions. When a bond ......... | |
| (The original document is in English and was published in 2002). | |
| 856240 | PROBLEM SOLVING IN POLYMER MATERIAL ENGINEERING. ENGINEERING FAILURE ANALYSIS AND FAILURE MODE ANALYSIS OF COMPONENTS & STRUCTURES: POLYMERS, ADHESIVES, ELASTOMERS, PLASTICS AND POLYMER COMPOSITES. |
| A report is presented on the steps followed by the Akron Rubber Development Laboratory Inc.(ARDL) Engineering Group for conducting a comprehensive failure analysis investigation. Both Failure Analysis and Failure Mode and Effects Analysis are considered. Typical non-destructive examination methods, ......... | |
| (The original document is in English and was published in 2002). | |
| 851713 | STRESS AND FAILURE ANALYSIS OF 3D ANGLE INTERLOCK WOVEN COMPOSITES. |
| A 3D woven composite strength model is presented for predicting the failure behaviour of 3D angle interlock woven composites under on-axis uniaxial static tensile loading and shear loading. The effect of secondary failure was considered for further analysis and the ultimate tensile strength and shea ......... | |
| (The original document is in English and was published in 2002). | |
| 844769 | STRESS AND FAILURE ANALYSIS OF WOVEN COMPOSITE PLATES WITH ADHESIVE PATCH-REINFORCED CIRCULAR HOLE. |
| The application of a single-sided patch reinforcement to a woven E-glass fibre/epoxy composite panel with a central circular fastener hole is studied using 3D finite element analysis. The width of the panel is 25.4 mm, while three hole diameters (3, 6 and 9 mm) are used. The reinforcement patch is s ......... | |
| (The original document is in English and was published in 2002). | |
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