![](\"http:\/\/journals.khnu.km.ua\/vestnik\/wp-content\/uploads\/2021\/01\/pdf.png\")
<\/a> \u0421\u0442\u043e\u0440\u0456\u043d\u043a\u0438: 128-131. \u041d\u043e\u043c\u0435\u0440: \u21163, 2020 (285)<\/strong>\n\u0410\u0432\u0442\u043e\u0440\u0438:<\/strong>
\n\u0412. \u0421. \u0422\u0420\u0423\u04281 , \u041a.\u0412. \u041a\u041e\u0412\u0422\u0423\u041d2, \u0412. \u041c. \u0424\u0415\u0414\u0406\u0420\u041a\u041e1, \u041e. \u0413. \u041b\u0423\u041a\u2019\u042f\u041d\u0415\u041d\u041a\u041e1
\n1\u0424\u0456\u0437\u0438\u043a\u043e-\u043c\u0435\u0445\u0430\u043d\u0456\u0447\u043d\u0438\u0439 \u0456\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0456\u043c. \u0413.\u0412. \u041a\u0430\u0440\u043f\u0435\u043d\u043a\u0430 \u041d\u0410\u041d \u0423\u043a\u0440\u0430\u0457\u043d\u0438
\n2\u0406\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0444\u0456\u0437\u0438\u043a\u0438 \u0442\u0432\u0435\u0440\u0434\u043e\u0433\u043e \u0442\u0456\u043b\u0430, \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b\u043e\u0437\u043d\u0430\u0432\u0441\u0442\u0432\u0430 \u0442\u0430 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0456\u0439 \u041d\u041d\u0426 \u00ab\u0425\u0424\u0422\u0406\u00bb \u041d\u0410\u041d \u0423\u043a\u0440\u0430\u0457\u043d\u0438
\nV. TRUSH1 , K. KOVTUN2 , V. FEDIRKO1 , A. LUK\u2019YANENKO1
\n1 Karpenko Physico-Mechanical Institute of the NAS of Ukraine
\n2 Institute of Solid State Physics Materials and Technologies, NSC \u00abKharkov Institute of Physics and Technology\u00bb of the NAS of Ukraine
\nDOI:<\/strong>\u00a0https:\/\/www.doi.org\/10.31891\/2307-5732-2020-285-3-21<\/a>
\n\u0420\u0435\u0446\u0435\u043d\u0437\u0456\u044f\/Peer review :<\/strong> 15.05.2020 \u0440.
\n\u041d\u0430\u0434\u0440\u0443\u043a\u043e\u0432\u0430\u043d\u0430\/Printed :<\/strong> 05.06.2020 \u0440.<\/p>\n
\u0410\u043d\u043e\u0442\u0430\u0446\u0456\u044f \u043c\u043e\u0432\u043e\u044e \u043e\u0440\u0438\u0433\u0456\u043d\u0430\u043b\u0443<\/strong><\/p>\n \u0413\u0430\u0444\u043d\u0456\u0439 \u0442\u0430 \u0441\u043f\u043b\u0430\u0432\u0438 \u043d\u0430 \u0439\u043e\u0433\u043e \u043e\u0441\u043d\u043e\u0432\u0456 \u0454 \u0432\u0430\u0436\u043b\u0438\u0432\u0438\u043c \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u0439\u043d\u0438\u043c \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b\u043e\u043c \u0434\u043b\u044f \u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0457 \u0437\u043e\u043d\u0438 \u044f\u0434\u0435\u0440\u043d\u0438\u0445 \u0440\u0435\u0430\u043a\u0442\u043e\u0440\u0456\u0432. \u041e\u0441\u043d\u043e\u0432\u043d\u043e\u044e \u043e\u0441\u043e\u0431\u043b\u0438\u0432\u0456\u0441\u0442\u044e \u0433\u0430\u0444\u043d\u0456\u044e \u0454 \u0442\u0435, \u0449\u043e \u0432\u0456\u043d \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0437\u0443\u0454\u0442\u044c\u0441\u044f \u0432\u0438\u0441\u043e\u043a\u043e\u044e \u0437\u0434\u0430\u0442\u043d\u0456\u0441\u0442\u044e \u043f\u043e\u0433\u043b\u0438\u043d\u0430\u0442\u0438 \u043d\u0435\u0439\u0442\u0440\u043e\u043d\u0438. \u0422\u043e\u043c\u0443 \u0432\u0456\u043d \u0441\u043b\u0443\u0436\u0438\u0442\u044c \u043e\u0441\u043d\u043e\u0432\u043e\u044e \u0434\u043b\u044f \u0432\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u0440\u0435\u0433\u0443\u043b\u044e\u0432\u0430\u043b\u044c\u043d\u0438\u0445 \u0441\u0442\u0435\u0440\u0436\u043d\u0456\u0432. \u0412\u0438\u0449\u0435 \u0437\u0433\u0430\u0434\u0430\u043d\u0456 \u0432\u0438\u0440\u043e\u0431\u0438 \u0434\u043e\u0441\u0438\u0442\u044c \u0448\u0438\u0440\u043e\u043a\u043e \u0432\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u044f\u044e\u0442\u044c \u0437 \u0442\u043e\u043d\u043a\u043e\u043b\u0438\u0441\u0442\u043e\u0432\u043e\u0433\u043e \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b\u0443. \u041e\u0434\u043d\u0438\u043c \u0456\u0437 \u043a\u0456\u043d\u0446\u0435\u0432\u0438\u0445 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0456\u0447\u043d\u0438\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0456\u0439 \u0432\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u0420\u043e\u0437\u0448\u0438\u0440\u0435\u043d\u0430 \u0430\u043d\u043e\u0442\u0430\u0446\u0456\u044f \u0430\u043d\u0433\u043b\u0456\u0439\u0441\u044c\u043a\u043e\u044e \u043c\u043e\u0432\u043e\u044e<\/strong><\/p>\n Hafnium and alloys based on it is an important structural material for the core of nuclear reactors. The main feature of hafnium is that it has a high ability to absorb neutrons. Therefore, it serves as the basis for the manufacture of control rods. The aforementioned products are widely enough made of sheet material. One of the final technological operations of sheet production is hot plastic deformation followed by the final standard heat treatment. This paper shows the properties of the GFE-1 hafnium alloy after various modes of chemicalthermal treatment without removing (grinding) the surface layer after hot plastic deformation. The treatment was carried out at the same temperature and time parameters (T = 850\u00b0 C, t = 2 h), but in different rarefaction (P = 1.33 \u2022 10-3 Pa, P = 1.33 \u2022 10-2 Pa, P = 1 , 33 \u2022 10-1 Pa). Temperature-time parameters of processing correspond to the parameters of standard finishing of hafnium alloy. The article shows the differences in the surface depending on the processing mode of the working environment. According to the research results, chemicalthermal treatment does not lead to significant changes in the surface state The chemical composition of the near-surface layer of the studied samples in the initial state (without chemical-thermal treatment) is given. In particular, it is revealed that in the near-surface layer ~ 5 \u03bcm thick from the surface, different contents of oxygen and metal elements Fe, Zr and Cr are recorded. The hafnium content is initially minimal (to a depth of ~ 5 \u03bcm from the surface), and then sharply increases to a steady value. Therefore, it was assumed that in the initial. In the state Referencse<\/strong><\/p>\n 1. Azarenkov N. A., Bulavin L. A., Zalyubovskiy I.I., Kirichenko V. G., Neklyudov I. M., Shilyayev B. A Yadernaya energetika: \u0414\u041e \u041f\u0418\u0422\u0410\u041d\u041d\u042f \u041f\u0420\u041e \u0412\u041f\u041b\u0418\u0412 \u0425\u0406\u041c\u0406\u041a\u041e-\u0422\u0415\u0420\u041c\u0406\u0427\u041d\u041e\u0407 \u041e\u0411\u0420\u041e\u0411\u041a\u0418 \u041d\u0410 \u0412\u041b\u0410\u0421\u0422\u0418\u0412\u041e\u0421\u0422\u0406 \u0421\u041f\u041b\u0410\u0412\u0423 \u0413\u0424\u0415-1 TO THE QUESTION OF THE INFLUENCE OF CHEMICAL-THERMAL TREATMENT ON THE PROPERTIES OF THE HFE-1 ALLOY \u0421\u0442\u043e\u0440\u0456\u043d\u043a\u0438: 128-131. \u041d\u043e\u043c\u0435\u0440: \u21163, 2020 (285) \u0410\u0432\u0442\u043e\u0440\u0438: \u0412. \u0421. \u0422\u0420\u0423\u04281 , \u041a.\u0412. \u041a\u041e\u0412\u0422\u0423\u041d2, \u0412. \u041c. \u0424\u0415\u0414\u0406\u0420\u041a\u041e1, \u041e. \u0413. \u041b\u0423\u041a\u2019\u042f\u041d\u0415\u041d\u041a\u041e1 1\u0424\u0456\u0437\u0438\u043a\u043e-\u043c\u0435\u0445\u0430\u043d\u0456\u0447\u043d\u0438\u0439 \u0456\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0456\u043c. \u0413.\u0412. \u041a\u0430\u0440\u043f\u0435\u043d\u043a\u0430 \u041d\u0410\u041d \u0423\u043a\u0440\u0430\u0457\u043d\u0438 2\u0406\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0444\u0456\u0437\u0438\u043a\u0438 \u0442\u0432\u0435\u0440\u0434\u043e\u0433\u043e […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[],"_links":{"self":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts\/1371"}],"collection":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1371"}],"version-history":[{"count":6,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts\/1371\/revisions"}],"predecessor-version":[{"id":4172,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts\/1371\/revisions\/4172"}],"wp:attachment":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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\u0437\u0430 \u0440\u0456\u0437\u043d\u043e\u0433\u043e \u0440\u043e\u0437\u0440\u0456\u0434\u0436\u0435\u043d\u043d\u044f (P = 1,33\u00b710-3\u041f\u0430, P = 1,33\u00b710-2\u041f\u0430, P = 1,33\u00b710-1 \u041f\u0430). \u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u043e-\u0447\u0430\u0441\u043e\u0432\u0456 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0438 \u043e\u0431\u0440\u043e\u0431\u043a\u0438 \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u0430\u044e\u0442\u044c \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430\u043c \u0448\u0442\u0430\u0442\u043d\u0456\u0439 \u0444\u0456\u043d\u0456\u0448\u043d\u0456\u0439 \u043e\u0431\u0440\u043e\u0431\u0446\u0456 \u0433\u0430\u0444\u043d\u0456\u0454\u0432\u043e\u0433\u043e \u0441\u043f\u043b\u0430\u0432\u0443. \u0423 \u0441\u0442\u0430\u0442\u0442\u0456 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u0432\u0456\u0434\u043c\u0456\u043d\u043d\u043e\u0441\u0442\u0456 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\n\u041a\u043b\u044e\u0447\u043e\u0432\u0456 \u0441\u043b\u043e\u0432\u0430:<\/strong> \u0433\u0430\u0444\u043d\u0456\u0454\u0432\u0438\u0439 \u0441\u043f\u043b\u0430\u0432, \u0445\u0456\u043c\u0456\u043a\u043e-\u0442\u0435\u0440\u043c\u0456\u0447\u043d\u0430 \u043e\u0431\u0440\u043e\u0431\u043a\u0430, \u043f\u0440\u0438\u043f\u043e\u0432\u0435\u0440\u0445\u043d\u0435\u0432\u0438\u0439 \u0448\u0430\u0440, \u043a\u0438\u0441\u0435\u043d\u044c, \u043c\u0456\u043a\u0440\u043e\u0442\u0432\u0435\u0440\u0434\u0456\u0441\u0442\u044c.<\/p>\n
\nof hafnium, the near-surface layer ~ 5 \u03bcm can be conditionally classified as \u00abdefective\u00bb. Probably the presence of such a layer is due to the manufacturing technology of the letter hafnium. According to the distribution of microhardness in the near-surface layer after various chemical-thermal treatments, the microhardness first increases from the surface to a depth of ~ 5 \u03bcm, and then gradually decreases to the value of the matrix. Thus, the durometric method also fixes a certain \u00abdefective\u00bb layer with a size of 5 … 7 \u03bcm.
\nKey words:<\/strong> hafnium alloy, chemical-thermal treatment, near-surface layer, oxygen, microhardness.<\/p>\n
\nuchebnoye posobiye, .- KH.: KHNU imeni V. N . Karazina, 2012. P. 535.
\n2. Keller W. H., Development of hafnium and comparison with other pressurized water reactor control rod materials \/ Herbert Keller
\nW. \/\/ Nuclear Technology. 1982, Vol. 59, P. 476\u2014 482..
\n3. Pylypenko M.M. Pure metals for nuclear power \/ M.M. Pylypenko, S.D. Lavrimenki, P.N. V\u2019yugov \/\/ Problems of Atomic
\nScience and Technology, 2014 92(4). P. 72-81
\n4. Risovanyye V.D., Zakharov A.V., Klochkov Ye.P. and. Etc. Pogloshchayushchiye materialy sterzhney upravleniya i zashchity
\nyadernykh reaktorov. 2012. P 442.
\n5. Yamaka Sh., Ogawa H. and Miyaka M. Effect of interstitial oxygen on hydrogen solubility in titanium, zirconium an hafnium \/
\nSh.Yamaka, H. Ogawa, and M Miyaka \/\/ Journal of the less-common metalsm 1991, 172-174, P 85-94.
\n6. Trush V.S., Fedirko V.M., O.H. Luk\u2019yanenko, and K.V. Kovtun Optimization of the medium of thermal treatment of GFE-1
\nhafnium alloy \/ V.S. Trush, V.M. Fedirko, O.H. Luk\u2019yanenko, and K.V. Kovtun \/\/ Materials Science, Vol. 53, No. 2, September, 2017.
\n7. O\u2019Hara, A., & Demkov, A. A. Oxygen and nitrogen diffusion in \u03b1-hafnium from first principles. Applied Physics Letters, 2014. 104
\n(21), 211909.
\n8. Neklyudov I.M., Azhazha V.M., Kovtun K.V., i dr. A.A. Vasil’yev Podgotovka proizvodstva konstruktsionnykh materialov iz
\ngafniya \/ I.M. Neklyudov, V.M. Azhazha, K.V., Kovtun i dr \/\/ Nauka i innovatsii. 2009. T.5. \u2116 2. \u0420. 23-31.<\/p>\n","protected":false},"excerpt":{"rendered":"