<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31306114</termId><termName>smart materials</termName><termType>PT</termType><termNote><![CDATA[ Materials with adaptive capabilities that react to external stimuli such as load, heat, and vibrations. Examples of smart materials include self-healing concrete which releases reserves of a strong adhesive when under stress, mending cracks; shape-memory alloys and polymers which can undergo and reverse deformation by heat or stress thanks to pseudoelasticity; or chromogenic systems which change their color, such as sun glasses that darken when exposed to bright sunlight. ]]></termNote><termCreatedDate>2026-03-30 20:22:22</termCreatedDate><relation><relationType>UF</relationType><termId>31306115</termId><termName>adaptive materials</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31306116</termId><termName>intelligent materials</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31306117</termId><termName>materials, smart</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31306118</termId><termName>responsive materials</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31306119</termId><termName>senseable materials</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31306120</termId><termName>smart material</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298940</termId><termName>materials by property</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31320427</termId><termName>self-healing materials</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31320431</termId><termName>self-cleaning materials</termName><termType>PT</termType></relation></term>  </Zthes>