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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Kilobar</span></h1>
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<p>Le <b>kilobar</b>, de symbole <b>kbar</b>, est une <a href="Unit%C3%A9_de_pression" title="Unité de pression">unité de pression</a> ou de <a href="Contrainte_(m%C3%A9canique)" title="Contrainte (mécanique)">contrainte</a> valant mille <a href="Bar_(unit%C3%A9)" title="Bar (unité)">bars</a>, soit cent millions de <a href="Pascal_(unit%C3%A9)" title="Pascal (unité)">pascals</a> (10<sup>8</sup> <abbr class="abbr" title="pascal">Pa</abbr>).
</p><p>Le kilobar est une unité obsolète mais encore utilisée en <a href="Sciences_de_la_Terre" title="Sciences de la Terre">sciences de la Terre</a> et en <a href="Science_des_mat%C3%A9riaux" title="Science des matériaux">science des matériaux</a>. Il tend à être remplacé par le <a href="M%C3%A9gapascal" title="Mégapascal">mégapascal</a> (10<sup>6</sup> <abbr class="abbr" title="pascal">Pa</abbr>) et le <a href="Gigapascal" title="Gigapascal">gigapascal</a> (10<sup>9</sup> <abbr class="abbr" title="pascal">Pa</abbr>) :
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<dl><dd><span title="100 000 000 Pa ou 986,923 3 atm" style="cursor:help">1</span> <abbr class="abbr" title="kilobar">kbar</abbr> = <span title="1 000 bar ou 986,923 atm" style="cursor:help">100</span> <abbr class="abbr" title="mégapascal">MPa</abbr> = <span title="1 000 bar ou 986,923 atm" style="cursor:help">0,1</span> <abbr class="abbr" title="gigapascal">GPa</abbr>.</dd></dl>
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