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Product Manufacturing Degradation Control
Published in Douglas Brauer, John Cesarone, Total Manufacturing Assurance, 2022
Inspection serves to provide verification through visual, or other senses (possibly enhanced), detection of workmanship of material characteristics which effect the existence of a hazardous condition. Hazards may also be detected through some form of measurement or simple manipulation. Demonstration is a trial conducted to show that a specific operation can be accomplished safely, that a product operates safely, or that a material contains or lacks a certain property. Tests are more detailed than demonstrations in that specific measurable parameters must be met. A test is often used to verify that values for a certain operational parameter fall (or do not fall) within specified limits, and that various operational parameters do not cause a failure, damage, or hazardous condition.
MIC and Materials Selection
Published in Torben Lund Skovhus, Dennis Enning, Jason S. Lee, Microbiologically Influenced Corrosion in the Upstream Oil and Gas Industry, 2017
Internal coatings and linings of carbon steel equipment are another way to avoid contact between the environment and material at least for a finite period of time, that is, the life of the coating. Internal coatings are often avoided for piping although, for lines that are normally dead legs or are infrequently operated, internal coatings can be an alternative to CRA. As for any coating job, quality of materials and workmanship and adequate quality control are essential in order to have confidence in the coating system. The use of qualified and certified coating professionals is also important. Potential issues with internal coatings are damage from heat or rapid depressurization, mechanical damage during operation or maintenance, coating of tie-in welds, and lack of insight for inspection site selection. The use of high-density polyethylene (HDPE) liners in short sections of piping might also be a viable alternative. Advances are being made in coatings containing nanoparticles with antimicrobial properties and highly hydrophobic coatings that resist water attachment.
Preliminary Results for Analyzing Product Failures
Published in Marlin U. Thomas, Reliability and Warranties: Methods for Product Development and Quality Improvement, 2006
Failures occur due to problems in the way a product is developed, produced, and distributed to customers. If a product is well designed and manufactured then it should last or provide effective usage longer than one produced at a lower quality level with an inferior design and poor selection of materials. So a product that has high durability will implicitly also have high conformance quality and reliability. Generally, failures that occur early during their usage are conformance related due to problems in their production, assembly, and distribution. Poor workmanship, impurities, and lack of homogeneity in the materials used cause these problems as well as process-related problems, such as improper sequencing and materials handling. Failures that occur later in the usage cycle are most often due to reliability problems that relate to the design. In all cases, it is very important that the failure characteristics are known before the product is placed on the market. In this chapter, the basic results for predicting and analyzing failures are presented.
Experts’ views on sports clothing quality
Published in International Journal of Fashion Design, Technology and Education, 2022
Lars Claussen, Alex Lloyd, Daniel Ruiz, George Havenith
Interviewees mentioned the two attributes ‘fabric and finishing quality’ and ‘workmanship’ for the cluster ‘durability and processing’. ‘Fabric and finishing quality’ were described as the longevity and resistance of the fabric and its finish: I would say the main component of quality is durability for sports because you know these jerseys are being worn at the highest level of playing, and they need to be able to hold up to that roughness of the game. (interview_210125_02_apparel development)‘Workmanship’ is how well a piece of fabric is processed into a garment. Especially the quality of the seams was taken into account by the participants for this attribute.