Name: 拡散アニーリングとは？ | エンジニアアカデミー (What is Diffusion Annealing??? ||Engineer's Academy||)
Uploaded: 2024-06-13T08:37:42.000Z
Duration: 4 min 13 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：加熱,拡散,樹木,質量,アイコン,逃す,ベル,押す,減少,ビデオ,依存,処理,最新,段階,プロセス,基本,最高,理解,最初,時間

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 subscribe aimami and get the latest technological updates every day also press this bell icon so you won't miss any of my latest videos hi guys welcome back to aimami so guys in this video we are going to learn about the last type of annealing that is diffusion annealing so guys the alloy steels engorged to reduce the dendritic and intercrystalline segregation so this increases the susceptibility of steels subjected to the brittle failure okay due to the dendritic and intercrystalline segregation so dendritic is nothing but the having like you know branch like structure so this is something like just like similar to trees okay so to reduce that the diffusion annealing is carried out which is also known as the homogenization of steels so guys this dendritic structure okay this reduces the ductility and a toughness of alloy steel so in order to increase the ductility and toughness we have to do this diffusion annealing and which reduces this particular dendritic structure so hence the larger castings are homogenized in many cases so guys let us understand the process of this diffusion annealing okay guys so there are three stages guys mainly as we have seen in our last videos so the first one is the heating so followed by the heating the holding stage is carried out and the last one and the third one is nothing but the cooling stage so this is similar to the full annealing or the process annealing also so the first one is heating so this process in this the heated up to it is the steels are heated up to 1100 to 1200 degree Celsius which is at the highest temperature in the heat treatment at this temperature the composition becomes homogeneous and the second one is the holding so this is keeping at the constant temperature such as constant temperature for the period of something around 8 to 20 hours so it it is very time-consuming process guys so this time depends upon the composition of steel basically the composition also and the mass of the charge okay and the last one is the cooling process so guys in this cooling which is done at normally at the room temperature guys so guys this is the image which is clearly shown such as the process diffusion annealing stage okay guys so let us understand the applications of the annealing process so guys this chart shows the applications of annealing like in which application which kind of annealing is suitable suppose the application is of steel castings the properties which gets disturbed and the type of process which is used which is shown in this table such as this for steel casting having non-uniform grain structure and it enters a structured it is get altered by the process of full annealing so guys you can refer this chart and you can understand the various applications of annealing okay guys so you can do this so applications so guys we have learned in this video the process of diffusion annealing we have seen this three stages in the diffusion annealing process and we have seen the applications of various annealing processes so guys we have completed annealing over here thank you for watching my video guys please do not forget to subscribe to my channel thank you guys

また、このベルのアイコンを押すと、私の最新のビデオを見逃すことがありません。樹枝状偏析とは、枝のような構造を持つことで、樹木のようなものです。これを減少させるために、拡散焼鈍が行われます。拡散焼鈍のプロセスを理解しましょう。前回のビデオで見たように、主に3つの段階があります。最初の加熱は、鋼材を熱処理の最高温度である摂氏1100度から1200度まで加熱します。この時間は、基本的に鋼の組成と装入物の質量に依存します。この表は、どのような焼鈍がどのような用途に適しているか、どのような焼鈍がどのような用途に適し