Introduction to HALT/HASS

Learn how to expose potential design weaknesses and manufacturing defects of your products. HALT (Highly Accelerated Life Testing) and HASS (Highly Accelerated Stress Screening) are two methods for improving the reliability and quality of products. Highly Accelerated Life Test combines extreme temperature cycling and repetitive-shock/vibration for the ultimate in accelerated reliability testing.

HALT and HASS subject a product to a series of overstressed, effectively forcing product weak links to emerge by accelerating fatigue.


Julio Pulido

Julio Pulido is a Sr. Director of Quality Assurance, Reliability Engineering, and Analytics at Nortek. His responsibility is to drive the capability development of Design for Reliability for consulting clients. He holds a BS from the Federal University of Bahia, Brazil, an MS from the Federal University of Rio Grande do Sul, Brazil, a Ph.D. from the Federal University of Rio de Janeiro, Brazil, Ph.D. Research at Duke University and an MBA from Xavier University and a Certificate in Information Technology Management from the University of Chicago. His specialty is in the area of Structural Analysis, Design for vibration and Structural Reliability, and Accelerated Testing Techniques. Dr. Pulido has 19+ years of experience in leading Design Assurance Organizations. He has published over 60 peer-reviewed journals and conference papers.

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