FRIDAY MORNING, 11 MAY 2018 GREENWAY J, 8:00 A.M. TO 10:30 A.M. Session 5aPA Physical Acoustics: General Topics in Physical Acoustics II Sam Wallen, Chair The University of Texas at Austin Contributed Papers 8:00 that Berea Sandstone has significant hysteretic behavior under temperature cycling. It was also revealed that the qualitative elastic behavior of Berea 5aPA1. Generation of ultrasonic waves in vegetable tissue via non- Sandstone is unchanged with increasing relaxation time from the thermal David A. Collazos-Burbano (Ctr. for Bioinformatics ablative laser pulses. shock induced by rapid cooling of the sample. and Photonics (CIBioFi), Universidad del Valle, calle 13 No. 100-00, Univalle, 351, of 2009, Cali, Valle del Cauca 760032, Colombia, david. 8:30
[email protected]), Carlos A. Melo-Luna (Quantum Technol- ogies, Information and Complexity Group (QuanTIC), Universidad del 5aPA3. Elastic constants of self-healing polyethylene co-methacrylic Valle, Cali, Valle del cauca, Colombia), Joao L. Ealo (Vibrations and acid determined via resonant ultrasound spectroscopy. Kenneth A. Acoust. Lab. (LaVA), Mech. Eng. School, Universidad del Valle, Cali, Pestka II, Jacob W. Hull, Jonathan D. Buckley (Chemistry and Phys., Long- Colombia), and John H. Reina (Quantum Technologies, Information and wood Univ., 201 High St., Farmville, VA 23909,
[email protected]), Complexity Group (QuanTIC), Universidad del Valle, Cali, Valle del and Stephen J. Kalista (The Dept. of Biomedical Eng., Rensselaer Polytech- Cauca, Colombia) nic Inst., Troy, NY) The study of vegetable tissue is essential in plant growth analysis. The Self-healing polyethylene co-methacrylic acid (EMAA) is a thermoplas- elasticity is an important characteristic when firmness is studied in fruits or tic material that can be shaped into structures that are capable of autono- when turgidity is tested in plant leaves.