Search Results - "Béjar, M.A."

Abrasive wear resistance of boronized carbon and low-alloy steels by Béjar, M.A., Moreno, E.

“…In this study, the abrasive wear resistance of previously boronized 1020, 1045, 4140 and 4340 steels were determined. The boronizing treatments were performed…”
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Surface hardening of metallic alloys by electrospark deposition followed by plasma nitriding by Béjar, M.A., Schnake, W., Saavedra, W., Vildósola, J.P.

“…This paper presents the results of a study concerned with the surface hardening of nonferrous and ferrous alloys, by integrating the electrospark deposition…”
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Surface hardening of steel by plasma-electrolysis boronizing by Béjar, M.A., Henríquez, R.

“…4340, 4140, 1045, 3215 and 1020 steel were boronized by plasma electrolysis by using borax aqueous solutions. Fifteen minute treatments were sufficient for…”
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Anxiety in the cardiac catheter laboratory: Importance of the education by Bejar, M.A., Mzoughi, K., Sta, M., Ben Naser, A., Ben Abdallah, S., Iddir, S., Zairi, I., Kraiem, S.

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Effects of Ramadan fasting on blood pressure in hypertensive patients by Bejar, M.A., Zairi, I., Echaieb, W., Ben Mrad, I., Kamoun, S., Ben Moussa, F., Mzoughi, K., Kraiem, S.

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Wire-electrochemical cutting with a NaNO 3 electrolyte by Béjar, M.A., Eterovich, F.

“…The wire-electrochemical cutting of mild steel, using a passivating electrolyte of NaNO 3, is evaluated from the point of view of the feed rate and the side…”
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How did COVID 19 preventive measurements impact cardiovascular emergencies rates? by Allouche, E., Fathi, M., Béji, M., Mediouni, M., Bejar, M.A., El Arbi, M., Ouechtati, W., El Ayech, F., Ben Ahmed, H., Bezdah, L.

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Electrocontact-discharge forge welding of steel bars by Béjar, M.A, Schnake, W, Urqueta, R

“…Similar and dissimilar couples of bars of SAE 1020, 1045 or 5160 steels were forge welded. The couples were electrocontact-discharge heated by using an ac…”
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Wire-electrochemical cutting with a NaNO3 electrolyte by Béjar, M.A., Eterovich, F.

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Electrocontact-discharge sawing of metals by Béjar, M.A, Schnake, W, Navarrete, A

“…In this paper are presented the results of a study concerned with the application of electrocontact-discharge machining in the sawing of metals…”
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Oxidation and fatigue-life of an AISI-D3 steel machined by electrodischarge by Béjar, M.A., Schnake, W., Gallardo, J.

“…In this work, the influence of oxidation during austenitizing heating in air, before quenching, on the fatigue-life of an AISI-D3 steel previously machined by…”
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Changes in zona pellucida surface after in vivo and in vitro maturation of caprine oocytes by Villamedina, P, Ruttlant, J, Lopez-Bejar, M.A, Vidal, F, Paramio, M.T

“…Abstract only…”
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Magnetic and specific heat studies of the frustrated Er2Mn2O7 compound by Amor, N. Ben, Bejar, M., Dhahri, E., Valente, M.A., Lachkar, P., Hlil, E.K.

“…A new ErzMn207 compound was synthesized by the ceramic method and its crystal structure was characterized LJsing powder X-ray diffraction （XRD） and observed by…”
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