101. "Effects of Foam Thermal Insulation and Previous Thermal Exposure on the Acoustic Emission Recorded from Graphite/Epoxy Pressure Vessels with and without Impact Damage," K. S. Downs and M. A. Hamstad, Progress in Acoustic Emission IX, Acoustic Emission Working Group and Acoustic Emission Group, Los Angeles, CA, pp. V-45 to V-54, 1998. Also in Journal of Acoustic Emission, Vol. 16, No. 1-4, pp. S333 to S342, 1998.
97. "Assessment of Impact Damage in Kevlar-Epoxy, Filament-Wound, Spherical Test Specimen by Acoustic Emission Techniques," J.W. Whittaker, W. D. Brosey and M.A. Hamstad, Key Engineering Materials, Vols. 141-143, 1998, pp. 65-90.
96. "Wave Propagation Effects Relative to AE Source Distinction of Wideband AE Signals from a Composite Pressure Vessel," K. S. Downs and M. A. Hamstad, Journal of Acoustic Emission, Vol. 14, No. 3-4, 1996, pp. S61-S73.
95. "Acoustic Emission from Depressurization to Detect/Evaluate Significance of Impact Damage to Graphite/Epoxy Pressure Vessels," K.S. Downs and M.A. Hamstad, Journal of Composite Materials, Vol. 32, No. 3, 1998, pp. 258-307.
92. "Correlation of Regions of Acoustic Emission Activity with Burst Locations for Spherical Graphite/Epoxy Pressure Vessels," K.S. Downs and M.A. Hamstad, Journal of Acoustic Emission, Vol. 13, Nos. 3-4, pp. 56-66, 1995.
91. "Correlation of Acoustic Emission Felicity Ratios and Hold-Based Rate Movement and Burst Strength," K.S. Downs and M.A. Hamstad, Journal of Acoustic Emission, Vol. 13, Nos. 3-4, pp. 45-55, 1995.
86. "Differences in Generation and Detection of Acoustic Emission Based on a Large Number of AE Sensors on Graphite/Epoxy Pressure Vessels," K.S. Downs and M.A. Hamstad, Proceedings of Fifth International Symposium on Acoustic Emission from Composite Materials (AECM-5), Sundsvall, Sweden, The American Society for Nondestructive Testing, Inc., pp. 349-358, July 1995.
85. "High Sensor Density Acoustic Emission Monitoring of Graphite/Epoxy Pressure Vessels," K.S. Downs and M.A. Hamstad, Proceedings of Fifth International Symposium on Acoustic Emission from Composite Materials (AECM-5), Sundsvall, Sweden, The American Society for Nondestructive Testing, Inc., pp. 13-22, July 1995.
84. "Relationships of Composite Manufacturing Parameters of Filament Wound Graphite/Epoxy Vessels to their Acoustic Emission Characteristics," K.S. Downs and M.A. Hamstad, SAMPE 40th International Symposium and Exhibition, Anaheim, CA, May 8-11, 1995, Closed Session Proceedings pp. 1-15.
83. "On Characterization and Location of Acoustic Emission Sources in Real Size Composite Structures - A Waveform Study," M.A. Hamstad and K.S. Downs, Journal of Acoustic Emission, Jan.-Jun. 1995, Vol. 13, Nos. 1-2, pp. 31-41.
81. "Acoustic Emission Application to Fiber Composite Structures: The Next Steps," M.A. Hamstad, Kumamoto International Seminar on Acoustic Emission, pub. by Kumamoto University, Kumamoto, Japan, pp. 49-58, 1994.
77. "Correlation of Residual Strength with Acoustic Emission from Impact-Damaged Composite Structures Under Constant Biaxial Load," M.A. Hamstad, J.W. Whittaker, and W.D. Brosey, Journal of Composite Materials, Vol. 26, No. 15, 1992, pp. 2307-2328.
73. "Correlation of Felicity Ratio and Strength Behavior of Impact-Damaged Spherical Composite Test Specimens," J.W. Whittaker, W.D. Brosey, and M.A. Hamstad, Journal of Acoustic Emission, Vol. 9, No. 2, 1990, pp. 84-90.
72. "Felicity Ratio Behavior of Pneumatically and Hydraulically Loaded Spherical Composite Test Specimens," J.W. Whittaker, W.D. Brosey, and M.A. Hamstad, Journal of Acoustic Emission, Vol. 9, No. 2, 1990, pp. 75-83.
71. "Acoustic Emission Behavior of Impact-Damaged Composite Biaxial Specimens Under Constant Load, " J.W. Whittaker, W.D. Brosey, M. A. Hamstad, Proceedings of the ASNT Spring Conference, American Society for Nondestructive Testing, 1990, pp. 206-208.
70. "Felicity Ratio Behavior of Pneumatically and Hydraulically Loaded Spherical Composite Test Specimens," J.W. Whittaker, W.D. Brosey, M.A. Hamstad, Proceedings of the Third International Symposium on Acoustic Emission from Composites, Paris, France, American Society for Nondestructive Testing, 1989, pp. 168-179.
69. "Correlation of Felicity Ratio and Strength Behavior of Impact-Damaged Spherical Composite Test Specimens," J.W. Whittaker, W.D. Brosey, M.A. Hamstad, Proceedings of the Third International Symposium on Acoustic Emission from Composites, Paris, France, American Society for Nondestructive Testing, 1989, pp. 160-167.
64. "A Discussion of the Basic Understanding of the Felicity Effect in Fiber Composites," M.A. Hamstad, Journal of Acoustic Emission, Vol. 5, No. 2, 1986, pp. 95-102.
61. "On Determination of Arrival Times for Acoustic Emission Source Location in Composites," M. A. Hamstad. Proceedings of the Second International Symposium on Acoustic Emission from Reinforced Composites," Montreal, Canada, July 1986, pp. 202-208.
55. "Results Obtained During Acoustic Emission Monitoring of Proof Testing of a Large Kevlar/Epoxy Rocket Motor Case," M.A. Hamstad. Proceedings of the First International Symposium on Acoustic Emission from Reinforced Composites, July 1983, UCRL-88272, 13 pps.
46. "Acoustic Emission for Quality Control of Kevlar 49 Filament-Wound Composites," M.A. Hamstad, Proceedings of the 12th National SAMPE Technical Conference, Seattle, WA, Oct. 7-9, 1980, UCRL-83783 pp. 380-393.
38. "Variabilities Detected by Acoustic Emission from Filament-Wound Aramid Fiber/Epoxy Composite Pressure Vessels," M.A. Hamstad, Proceedings of the 24th International Instrumentation Symposium, May 1978, pp. 419-431, UCRL-80268.
36. "Considerations for Acoustic Emission Monitoring of Spherical Kevlar/Epoxy Composite Pressure Vessels," M.A. Hamstad and R.G. Patterson, ASME Special Technical Publication, "Composites in PVP," PVP-PB-021, Sept. 1977, pp. 141-163, UCRL-79356.
30. "Structural Integrity of Fiber/Epoxy Vessels by Acoustic Emission: Some Experimental Considerations," M.A. Hamstad and T.T. Chiao, SAMPE Quarterly, Vol. 8, No. 1, Oct. 1976, pp. 31-45, UCRL-78198.
10. "A Physical Mechanism for the Early Acoustic Emission in an Organic-Fiber/Epoxy Pressure Vessel," M.A. Hamstad and T.T. Chiao, SAMPE Quarterly, Vol. 5, No. 2, Jan. 1974, pp. 22-27, UCRL-74907. 8. "Acoustic Emission Produced During Burst Test of Filament-Wound Bottles," M.A. Hamstad and T.T. Chiao, Journal of Composite Materials, Vol. 7, July 1973, pp. 320-332 UCRL-74528.
5. "Acoustic Emission from Filament-Wound Pressure Bottles," M.A. Hamstad, Proceedings of the 4th National SAMPE Technical Conference, Palo Alto, CA, Oct. 1972, pp. 321-331, UCRL-73763.
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