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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Titancarbonitrid</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><p><b>Titancarbonitrid</b>, oder auch Ti(C,N), ist ein <a href="Mischkristall" title="Mischkristall">Mischkristall</a> aus <a href="Titannitrid" title="Titannitrid">Titannitrid</a> und <a href="Titancarbid" title="Titancarbid">Titancarbid</a>.
Die Verbindung zeichnet sich durch die extrem hohe Härte des Titancarbids und die <a href="Chemische_Best%C3%A4ndigkeit" title="Chemische Beständigkeit">chemische Beständigkeit</a> des Titannitrids aus. Besonders bei der Beschichtung von <a href="Zerspanungswerkzeug" title="Zerspanungswerkzeug">Zerspanungswerkzeugen</a> wird diese Verbindung häufig eingesetzt.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="Herstellung">Herstellung</h2></div>
<p><i>Physikalische Gasphasenabscheidung</i> (<a href="Physikalische_Gasphasenabscheidung" title="Physikalische Gasphasenabscheidung">PVD</a>):
</p>
<dl><dd><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {2\,Ti+N_{2}+2\,CH_{4}\longrightarrow 2\,Ti(C,N)+4\,H_{2}} }">
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<annotation encoding="application/x-tex">{\displaystyle \mathrm {2\,Ti+N_{2}+2\,CH_{4}\longrightarrow 2\,Ti(C,N)+4\,H_{2}} }</annotation>
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</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/20e2a533a86241bb546b82d7c3b720a8f6adf148.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:40.8ex; height:2.843ex;" alt="{\displaystyle \mathrm {2\,Ti+N_{2}+2\,CH_{4}\longrightarrow 2\,Ti(C,N)+4\,H_{2}} }" loading="lazy"></span> (hier: 50&nbsp;% Titannitrid, 50&nbsp;% Titancarbid)</dd></dl>
<p><i>Chemische Gasphasenabscheidung</i> (<a href="Chemische_Gasphasenabscheidung" title="Chemische Gasphasenabscheidung">CVD</a>):
</p>
<dl><dd>Hochtemperaturcarbonitrid (HT-Carbonitrid):
<dl><dd><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {2\,TiCl_{4}+N_{2}+2\,CH_{4}\longrightarrow Ti(C,N)+8\,HCl} }">
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<annotation encoding="application/x-tex">{\displaystyle \mathrm {2\,TiCl_{4}+N_{2}+2\,CH_{4}\longrightarrow Ti(C,N)+8\,HCl} }</annotation>
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</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/412271ac9c5edeb1aff476aec5be86136c0a708f.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:43.9ex; height:2.843ex;" alt="{\displaystyle \mathrm {2\,TiCl_{4}+N_{2}+2\,CH_{4}\longrightarrow Ti(C,N)+8\,HCl} }" loading="lazy"></span> (hier: 50&nbsp;% Titannitrid, 50&nbsp;% Titancarbid)</dd></dl></dd>
<dd>Mitteltemperaturcarbonitrid (MT-Carbonitrid):
<dl><dd><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {2\,TiCl_{4}+CH_{3}\,\mathbf {CN} (+Sp{\ddot {u}}lgas\,H_{2})\longrightarrow Ti(C,N)+CH_{4}+4\,HCl} }">
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<annotation encoding="application/x-tex">{\displaystyle \mathrm {2\,TiCl_{4}+CH_{3}\,\mathbf {CN} (+Sp{\ddot {u}}lgas\,H_{2})\longrightarrow Ti(C,N)+CH_{4}+4\,HCl} }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/6d6874adef49b0422452e080cdfb4929c8479d67.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:63.006ex; height:2.843ex;" alt="{\displaystyle \mathrm {2\,TiCl_{4}+CH_{3}\,\mathbf {CN} (+Sp{\ddot {u}}lgas\,H_{2})\longrightarrow Ti(C,N)+CH_{4}+4\,HCl} }" loading="lazy"></span> (Immer: 50&nbsp;% Titannitrid, 50&nbsp;% Titancarbid)</dd></dl></dd></dl>
<p>Vorteil des Mitteltemperaturcarbonitrids ist das gleichmäßige Aufwachsen der Schicht durch die <a href="Cyanid" class="mw-redirect" title="Cyanid">Cyanidgruppe</a> des <a href="Acetonitril" title="Acetonitril">Acetonitrils</a>.
Allerdings kann hier nur 50/50-Carbonitrid hergestellt werden. Beim HT-Carbonitrid hingegen spielen die unterschiedlichen <a href="Kinetik_(Chemie)" title="Kinetik (Chemie)">Reaktionsgeschwindigkeiten</a> des <a href="Methan" title="Methan">Methans</a> und des <a href="Stickstoff" title="Stickstoff">Stickstoffs</a> eine wesentliche Rolle.
</p>
<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<ul><li><a rel="nofollow" class="external text" href="http://www.surovon.ch/farben_der_titancarbonitride.htm">Farben der Titancarbonitride</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.hannibalcarbide.com/technical-support/titanium-coatings.php">Titanbeschichtungen von Zerspanungswerkzeugen</a> (englisch).</span>
</li>
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Dieser Artikel wurde von <a class="external text" title="Zuletzt bearbeitet am 2025-12-02" href="https://de.wikipedia.org/wiki/?title=Titancarbonitrid&amp;oldid=262072828">Wikipedia</a> herausgegeben. Der Text ist unter <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.de">Creative Commons Attribution-Share Alike 4.0</a> verfügbar, sofern nicht anders angegeben. Für die Mediendateien können zusätzliche Bedingungen gelten.
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