Results 61 to 70 of about 6,884,769 (175)
Zjawisko pasmowości w odkuwkach ze stali 18CrNiMo7-6
, 2009 18CrNiMo7-6 steel, after hot forging, exhibits a distinct banding of ferritic-pearlitic microstructure, probably related to the segregation of alloying elements during the ingot crystallization.
Pawłowski, B., Krawczyk, J., Bała, P.
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Corrosion of MgO-C with Magnesium Aluminate Spinel Addition in A Steel Casting Simulator
Ceramics, 2020 For more than 20 years, the sidewalls and bottom of steel ladles have been lined with carbon-bonded magnesia (MgO-C) and magnesia-alumina bricks (MAC). The alumina raw materials react with magnesia forming a spinel, which decreases open porosity and slag
Steffen Dudczig +5 more
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Effect of the Carburizing Process on the Microstructure and Properties of 18CrNiMo7-6 Steel
High-temperature carburizing heat treatment of 18CrNiMo7-6 steel was carried out at 930 °C, 950 °C and 970 °C. The effects of carburizing process on the microstructure, hardness and wear resistance of 18CrNiMo7-6 steel were studied. The results showed that the microstructure after high-temperature carburizing was mainly tempered martensite, and there ...
Yuan, Yuedong +7 more
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Jixie qiangduObjectiveTo investigate the hardness and wear resistance of 18CrNiMo7-6 alloy steel and its surface modification layer after carburizing heat treatment.MethodsRepeated scratch tests were conducted using a Vickers indenter on both the 18CrNiMo7-6 alloy ...
PENG Teng +4 more
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Jixie chuandong, 2022 当前，表面硬化齿轮存在多种铸锭工艺状态，开展铸锭工艺对齿轮弯曲疲劳性能影响的研究，对齿轮抗疲劳精益设计和成本控制有十分重要的意义。对模铸锭、连铸坯和电渣锭18CrNiMo7-6渗碳齿轮开展了表面完整性表征测试，研究了不同铸锭状态齿轮的齿根残余应力、表面粗糙度和硬度差异；基于齿轮弯曲疲劳试验国家标准GB/T 14230—2021，设计了齿轮弯曲疲劳试验方案，对模铸锭、连铸坯和电渣锭18CrNiMo7-6齿轮开展了升降法齿轮弯曲疲劳试验，获取了不同可靠度下的弯曲疲劳极限 ...
武忠睿 +4 more
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MetalsThis study takes 18CrNiMo7-6 wind power gear steel as the object. Following the first holding stage of isothermal normalizing, the 18CrNiMo7-6 wind power gear blanks were cooled to the isothermal temperature via air cooling (AC) and forced-air cooling ...
Yuhao Wang +5 more
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Quality of semi-finished steel product 18CrNiMo7-6 of carburized gears for wind energetics
, 2012 Teoretická část diplomové práce se zabývá větrnou energetikou, druhy převodovek, materiály používanými pro ozubená kola, cementováním a nitrocementováním a napětími a deformacemi. Experimentální část je zaměřena na posouzení vlastností polotovarů z oceli
Hrdlička, Václav
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Materials Research ExpressThe application of abrasive water jet (AWJ) technology is prevalent in enhancing the surfaces of intricate and high-strength components, thereby augmenting their resistance to fatigue.
Lan-rong Liu +5 more
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EFFECTS OF SHOT PEENING ON HARDNESS OF 18CRNIMO7-6 STEEL BASED ON FINITE ELEMENT ANALYSIS
Jixie qiangdu, 2022 So far, most of the numerical studies on shot peening are limited in the effects of shot peening parameters on the residual stress and surface morphology. There is still lack of numerical research on shot peening parameters on the hardness.
CHEN HaiKuan +3 more
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Numerical Investigation of Outflow of Non-Metallic Inclusions during Steel Refining in the Ladle. [PDF]
Materials (Basel), 2022 Migas P +4 more
europepmc +1 more source