Technical Tidbits Archive: 2015 - 2016
Resources
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Properties are Functions - Issue 96 - December 2016
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A brief discussion on how material properties almost always depend on some other parameter.
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Other Statistical Ranges - Issue 95 - November 2016
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A brief discussion of confidence limits, tolerance limits and the MMPDS Basis System.
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Process Capability - Issue 94 - October 2016
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A brief discussion of what it means for a process to be capable and what you can expect for material properties from such capable processes.
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Tuning and Customizing Properties - Issue 93 - September 2016
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A brief discussion of the tradeoffs involved when trying to tweak properties of standard materials.
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Material Property Ranges and Statistics - Issue 92 - August 2016
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A brief discussion of how typical material properties may vary and lead the design engineer into trouble.
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Metal Properties and System Properties - Issue 91 - July 2016
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A brief discussion of the different classifications of material properties.
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Hardness v. Strength - Issue 90 - June 2016
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A brief discussion of the correlation between hardness and strength.
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Stress Relaxation Data - Issue 89 - May 2016
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Learn how to use stress relaxation data.
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Testing Stress Relaxation Resistance - Issue 88 - April 2016
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Learn about stress relaxation testing.
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Stress Relaxation-Issue 87-March 2016
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Learn about the causes, effects, and prevention of stress relaxation.
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Hertz Stress - Issue 86 - February 2016
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Read how the concepts of Hertzian contact theory have made their controversial way into connector design, and how some of the principles can help improve reliability.
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Advice for New Engineers-Issue 85-January 2016
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Delve into this collection of random advice and wisdom(?) accumulated throughout an engineering carreer. All opinions expressed in this publication are expressly that of the author.
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What Makes a Good Spring Material-Issue 84-December 2015
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Learn which material properties make a material a good candidate for your spring or connector design, depending on what spring behavior you want to optimize.
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Spring Types Part 8-Miscellaneous Springs-Issue 83-November 2015
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Discover a variety of miscellaneous spring types, not covered in previous editions, that may be of use to your application.
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Spring Types Part 7-Bellows and Diaphragms-Issue 82-October 2015
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Introduce yourself to pressure sensor bellows and diaphragms, and learn how their unique shapes improve stability even at very large deflections.
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Spring Types Part 6-Coil Springs-Issue 81-September 2015
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Review the properties of the coil spring, and learn how to adjust the geometry to fine-tune the spring rate.
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Spring Types Part 5-The Unique Stiffness Behavior of Belleville Washers-Issue 80-August 2015
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Investigate Belleville washers, with unique spring rate behavior that can be deliberately varied from positive to negative in the same single spring.
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Spring TypesPart 4-Spring Washers-Issue 79-July 2015
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Find out how spring washers may be used in parallel or series to customize overall spring characteristics.
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One-piece vs. Two-piece Terminal Socket Contacts-Issue 78-June 2015
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Compare and contrast one piece and two piece connector sockets, and determine which style is right for your design.
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Spring Types Part 3-Torsion Bars-Issue 77-May 2015
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Familiarize yourself with connector designs based on the torsion bar model for improved wiping action and electrical contact.
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Spring Types Part 2-Simply Supported Arch Beams-Issue 76-April 2015
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Learn how arch beam contacts can improve upon the performance of cantilever beam springs.
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Spring Types Part 1-Cantilever Beams-Issue 75-March 2015
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Explore different types of springs that operate under the principles of cantilever beams.
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Friction Calculations-Issue 74-February 2015
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Find out how to determine the appropriate coefficient of friction for use in your calculations and model simulations.
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Introduction to Friction-Issue 73-January 2015
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Investigate why the coefficient of friction is not actually a material property, but rather a system property dependent on many variables.
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