Browsing by Author "32e34e049542c2962a56f7582d34935c"
Now showing items 1-13 of 13
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Effect of cutting speed on the surface integrity of face milled 7050-T7451 aluminium workpieces
Pérez Guisado, Ion; Madariaga, Aitor; ARRAZOLA, PEDRO JOSE; CUESTA ZABALAJAUREGUI, MIKEL; Garay, Ainara (Elsevier Ltd., 2018)The guarantee of surface integrity has become a primary objective for researchers when analysing the reliability of machined aircraft aluminium alloy structural parts in high-speed machining. This work studies the effect ... -
Effect of heat Treatment Conditions on the Machinability of Ti64 and Ti54 M Alloys
Garay, Ainara; Soler Mallol, Daniel; ARRAZOLA, PEDRO JOSE (Elsevier, 2012)Orthogonal tests on cylindrical workpieces were carried out to analyze the effect of heat treatment on the machinability of newly developed Ti54M titanium alloy in comparison with Ti64. This paper focuses on the comparison ... -
Effect of surface integrity generated by machining on isothermal low cycle fatigue performance of Inconel 718
Madariaga, Aitor; Garay, Ainara; Esnaola, Jon Ander; ARRAZOLA, PEDRO JOSE (Elsevier Ltd., 2022)Critical aero-engine components such as turbine discs must withstand severe cyclic stresses, which can eventually lead to low cycle fatigue (LCF) failures. These components are made of difficult-to-cut alloys and machining ... -
Enhancing surface integrity of A7050-T7451 aluminium alloy by pneumatic machine hammer peening
Madariaga, Aitor; CUESTA ZABALAJAUREGUI, MIKEL; Dominguez Romero, Erika; Garay, Ainara; Ortiz-de-Zarate, Gorka; ARRAZOLA, PEDRO JOSE (Elsevier Ltd., 2022)Aerostructures withstand cyclic mechanical loads and therefore, their design must fulfil surface integrity and fatigue strength requirements. This paper studies the effect of pneumatic machine hammer peening on surface ... -
Estimación cualitativa de la rugosidad mediante algoritmos de aprendizaje automático en una operación de taladrado
Duo, Aitor; Dominguez Romero, Erika; Azpitarte-Aranzabal, Larraitz; Aperribay Zubia, Javier; CUESTA ZABALAJAUREGUI, MIKEL; Garay, Ainara; Basagoiti, Rosa; ARRAZOLA, PEDRO JOSE (Federación de Asociaciones de Ingenieros Industriales de España, 2020) -
Experimental and FEM analysis of surface integrity when broaching Ti64
Ortiz-de-Zarate, Gorka; Madariaga, Aitor; Garay, Ainara; Azpitarte-Aranzabal, Larraitz; CUESTA ZABALAJAUREGUI, MIKEL; ARRAZOLA, PEDRO JOSE (Elsevier, 2018)The performance of aeronautic critical components is strongly dependent on its fatigue behavior, which is directly linked to their surface integrity condition. Broaching operation is a machining operation extensively used ... -
Finding correlations between tool life and fundamental dry cutting tests in finishing turning of steel
Soler Mallol, Daniel; Aristimuño, Patxi Xabier; ARRAZOLA, PEDRO JOSE; Garay, Ainara (Elsevier, 2015)Tool life is usually measured by end tool life tests, however, such experiments are costly and time consuming. Establishing correlation between these tests and shorter and cheaper tests is consequently of great interest. ... -
Heat transferred to the workpiece based on temperature measurements by IR technique in dry and lubricated drilling of Inconel 718
CUESTA ZABALAJAUREGUI, MIKEL; ARRAZOLA, PEDRO JOSE; Aristimuño, Patxi Xabier; Garay, Ainara (Elsevier, 2016)In manufacturing aeronautical critical components, such as turbine discs commonly made of Inconel 718, surface integrity is crucial to ensure their fatigue life. Among the machining processes used, the drilling operation ... -
Influence of tool wear on residual stresses when turning Inconel 718
Madariaga, Aitor; Kortabarria, Aitor; Hormaetxe Fernández, Exabier; Garay, Ainara; ARRAZOLA, PEDRO JOSE (Elsevier, 2016)This paper analyzes the effect of tool wear on residual stresses when turning. Inconel 718 discs were machined for prolonged periods at several cutting speeds, feed-rates and depth of cut. Tests were interrupted to measure ... -
Machining behaviour of Ti-6Al-4V and Ti-5553 alloys in interrupted cutting with PVD coated cemented carbide
Garay, Ainara; ARRAZOLA, PEDRO JOSE (Elsevier, 2012)Machining behaviour of Ti-5553, Ti-6Al-4 V mill-annealed (MA) and Ti-6Al-4 V solution treated and aged (STA) alloys was studied in different interrupted cutting operations using PVD coated cemented carbide tools. Single ... -
New Calibration method to measure Rake Face Temperature of the tool during Dry Orthogonal Cutting using Thermography
Soler Mallol, Daniel; ARRAZOLA, PEDRO JOSE; Aristimuño, Patxi Xabier; Saez de Buruaga, Mikel; Garay, Ainara (Elsevier Ltd., 2018)A new method for measuring temperature in the rake face of a tool during dry orthogonal cutting using ther- mography is presented. In addition, a new technique is also used to calibrate the infrared camera. Using ... -
Surface Integrity Analysis when Machining Inconel 718 with Conventional and Cryogenic Cooling
Iturbe Intxaurraga, Ariane; Hormaetxe Fernández, Exabier; Garay, Ainara; ARRAZOLA, PEDRO JOSE (Elsevier, 2016)Cryogenic machining together with minimum quantity lubrication (MQL), is claimed to be a promising alternative to flood cooling in industrial applications since it avoids the use of large amounts of cutting fluids and it ... -
Uncertainty of Temperature Measurements in Dry Orthogonal Cutting of Titanium Alloys
Soler Mallol, Daniel; ARRAZOLA, PEDRO JOSE; Aristimuño, Patxi Xabier; Garay, Ainara (Elsevier, 2015)Infrared radiation thermometer is used to measure the temperature of tool during dry orthogonal cutting of titanium alloys. The accuracy of measured temperature depends on several parameters such as the experimental set-up, ...
