Durability of Cutting Tools with Deposited Ceramic-Metal Coatings (Ti, Al)N–Cu and (Ti, Al)N–Ni during Turning and Milling of Steels

IF 0.5 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Inorganic Materials: Applied Research Pub Date : 2024-06-03 DOI:10.1134/s2075113324700175

D. S. Belov, D. N. Klauch, I. V. Blinkov, A. I. Laptev, A. P. Demirov

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Abstract—Comparative durability tests of carbide cutting tools with (Ti, Al)N–Cu and (Ti, Al)N–Ni coatings applied to its working surfaces were carried out under conditions of continuous and interrupted cutting of steels 09G2S and EP302-Sh, respectively. Under milling conditions of EP302-Sh steel, using VK6NST inserts with (Ti, Al)N–Cu and (Ti,Al)N–Ni coatings, the tool life increases by 3.1 and 1.7 times, respectively. When turning the 09G2S steel using VK6NST inserts coated with (Ti, Al)N–Cu and (Ti, Al)N–Ni, the tool life increases by 7.6 and 10.8 times, respectively, and the cutting forces F_z, F_x, and F_y are reduced by ~20%. It is shown that this effect is determined by the presence of a nanostructure in the formed coatings and the presence of a highly consistent ceramic component and ductile metal, which determine their hardness (more than 35 GPa) and fracture toughness (relative work of plastic deformation during indentation over ~60%) and increased tribological characteristics (friction coefficient of ~0.5 compared to uncoated carbide of ~0.7).

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在车削和铣削钢材过程中，具有沉积陶瓷金属涂层 (Ti, Al)N-Cu 和 (Ti, Al)N-Ni 的切削刀具的耐久性

摘要-在 09G2S 和 EP302-Sh 钢的连续切削和断续切削条件下，分别对工作表面涂有 (Ti, Al)N-Cu 和 (Ti, Al)N-Ni 涂层的硬质合金切削刀具进行了耐久性比较试验。在 EP302-Sh 钢的铣削条件下，使用带有 (Ti, Al)N-Cu 和 (Ti,Al)N-Ni 涂层的 VK6NST 刀片，刀具寿命分别提高了 3.1 倍和 1.7 倍。使用涂有（Ti，Al）N-Cu 和（Ti，Al）N-Ni 涂层的 VK6NST 刀片车削 09G2S 钢时，刀具寿命分别提高了 7.6 倍和 10.8 倍，切削力 Fz、Fx 和 Fy 降低了 ~20%。研究表明，这种效果是由形成的涂层中存在的纳米结构以及高度一致的陶瓷成分和韧性金属决定的，它们决定了涂层的硬度（超过 35 GPa）和断裂韧性（压痕过程中塑性变形的相对功超过 ~60%）以及更高的摩擦学特性（与未涂层硬质合金的 ~0.7 相比，摩擦系数为 ~0.5）。

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来源期刊

Inorganic Materials: Applied Research Engineering-Engineering (all)

CiteScore

0.90

自引率

0.00%

发文量

199

期刊介绍： Inorganic Materials: Applied Research contains translations of research articles devoted to applied aspects of inorganic materials. Best articles are selected from four Russian periodicals: Materialovedenie, Perspektivnye Materialy, Fizika i Khimiya Obrabotki Materialov, and Voprosy Materialovedeniya and translated into English. The journal reports recent achievements in materials science: physical and chemical bases of materials science; effects of synergism in composite materials; computer simulations; creation of new materials (including carbon-based materials and ceramics, semiconductors, superconductors, composite materials, polymers, materials for nuclear engineering, materials for aircraft and space engineering, materials for quantum electronics, materials for electronics and optoelectronics, materials for nuclear and thermonuclear power engineering, radiation-hardened materials, materials for use in medicine, etc.); analytical techniques; structure–property relationships; nanostructures and nanotechnologies; advanced technologies; use of hydrogen in structural materials; and economic and environmental issues. The journal also considers engineering issues of materials processing with plasma, high-gradient crystallization, laser technology, and ultrasonic technology. Currently the journal does not accept direct submissions, but submissions to one of the source journals is possible.