Eigenspannung<\/a> nicht in angemessener Weise beseitigt wird, konzentrieren sich diese Spannungen im Material, was zu Problemen wie Rissbildung und Delaminierung des Materials f\u00fchrt, wodurch das Hartmetall spr\u00f6de wird.<\/p>\n\n\n\n3. die Rissbildung an den Korngrenzen:<\/p>\n\n\n\n
Korngrenzen sind die Schwachstellen in Wolframkarbid und die Stellen, an denen das Material anf\u00e4llig f\u00fcr Risse ist. Wenn sich das Wolframkarbidmaterial in einem Zustand hoher Temperatur befindet, ist es aufgrund des geringen Molekularabstands des Materials an der Korngrenze leicht, die Korngrenze zu verbiegen und zu brechen. In der tats\u00e4chlichen Verarbeitung Anwendungen, wenn die Schnittkraft zu gro\u00df ist und die Temperatur zu hoch ist, wird die Korngrenze des Wolframkarbidmaterials leichter besch\u00e4digt werden.<\/p>\n\n\n\n
4. der Einfluss der Verarbeitungstechnologie:<\/p>\n\n\n\n
Die Verarbeitungstechnologie von Wolframkarbid wirkt sich auch auf seine Festigkeit und Z\u00e4higkeit aus. Zum Beispiel, \u00fcberm\u00e4\u00dfige W\u00e4rmebehandlung, \u00fcberm\u00e4\u00dfige K\u00fchlung, \u00dcberlastung, etc. w\u00e4hrend der Verarbeitung wird die mechanischen Eigenschaften von Wolframkarbid beeinflussen. Dar\u00fcber hinaus haben verschiedene Schneidverfahren, die Auswahl der Schneidparameter usw. auch einen gewissen Einfluss auf die Festigkeit und Z\u00e4higkeit von Hartmetall.<\/p>\n\n\n\n
Kurz gesagt, die Hauptgr\u00fcnde f\u00fcr die Spr\u00f6digkeit von Wolframkarbid sind Probleme wie innere Spannungskonzentration und Rissbildung an den Korngrenzen. Um die mechanischen Eigenschaften von Wolframkarbid zu verbessern, ist es notwendig, die Kontrolle und Optimierung des Materialaufbereitungsprozesses und der Verarbeitungstechnologie zu verst\u00e4rken, um die Z\u00e4higkeit und Haltbarkeit des Materials zu verbessern. <\/p>","protected":false},"excerpt":{"rendered":"
Is tungsten carbide brittle 1.Characteristics of tungsten carbide: Tungsten carbide has the advantages of high hardness, high strength, high wear resistance, and high temperature resistance, and is an important cutting tool material.\u00a0However, tungsten carbide also has shortcomings, mainly manifested in low toughness and brittleness. 2.Internal stress concentration: Tungsten carbide is obtained by high-temperature sintering of 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and high temperature resistance, and is an important cutting tool material.\u00a0However, tungsten carbide also has shortcomings, mainly manifested in low toughness and brittleness. 2.Internal stress concentration: Tungsten carbide is obtained by high-temperature sintering of…","_links":{"self":[{"href":"https:\/\/www.wolframcarbide.com\/de\/wp-json\/wp\/v2\/posts\/2803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wolframcarbide.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wolframcarbide.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wolframcarbide.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wolframcarbide.com\/de\/wp-json\/wp\/v2\/comments?post=2803"}],"version-history":[{"count":2,"href":"https:\/\/www.wolframcarbide.com\/de\/wp-json\/wp\/v2\/posts\/2803\/revisions"}],"predecessor-version":[{"id":2806,"href":"https:\/\/www.wolframcarbide.com\/de\/wp-json\/wp\/v2\/posts\/2803\/revisions\/2806"}],"wp:attachment":[{"href":"https:\/\/www.wolframcarbide.com\/de\/wp-json\/wp\/v2\/media?parent=2803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wolframcarbide.com\/de\/wp-json\/wp\/v2\/categories?post=2803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wolframcarbide.com\/de\/wp-json\/wp\/v2\/tags?post=2803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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