Results 11 to 20 of about 571 (270)

Research progress on preparation technology of molybdenum disilicide coating [PDF]

open access: yesFenmo yejin jishu
Molybdenum disilicide (MoSi2) coating has the excellent high-temperature oxidation resistance which is widely used as a protective coating of various materials.
HAN Jiayu   +9 more
doaj   +2 more sources

SURFACE HARDENING OF TUNGSTEN-BASED HEAVY ALLOY VIA PACK BORONIZING

open access: yesIranian Journal of Materials Science and Engineering, 2017
The boronizing of a tungsten heavy alloy containing Ni and Fe as the major alloying elements were performed in the present study to increase its surface hardening.
A. Ataei, M. Jalaly, M. Tamizifar
doaj   +1 more source

Evaluation of Hot Corrosion Properties for Nano-coated Superalloy [PDF]

open access: yesJournal of Applied Sciences and Nanotechnology, 2021
The purpose of this study is to optimize the hot corroded pack coated Ni-based super alloy K417G using composite desirability. Pack cementation parameters optimization was performed using quality characteristics of diffusion coatings for pack cementation
abbas khammas   +3 more
doaj   +1 more source

Study on the Structure and Tribological Behavior of Zn - Ni Coating by Pack - Cementation [PDF]

open access: yesCailiao Baohu, 2021
In order to improve the friction and wear properties of 45 steel’s surface surface, a Zn - Ni coating was prepared on 45 steel’s surface by pack - cementation method.
ZHANG Jin, LIN Yuan - hua, GUO Meng - xin, XIANG - Huan, RAN Xue - lin, HUANG Min
doaj   +1 more source

The influence of chromium as a diffusive additive in the boronizing treatment of AISI 4140 steel on the corrosion resistance of the coating evaluated by Electrochemical Impedance Spectroscopy (EIS) [PDF]

open access: yesMATEC Web of Conferences, 2020
A large variety of protective coating is being used in industrial applications to improve the resistance of the metallic substrates against corrosion. The pack-cementation method for boronizing and borochromizing is effective to produce extremely hard ...
Zagkliveris Dimitrios I.   +3 more
doaj   +1 more source

Optimization of Cyclic Oxidation Parameters in Steel-T21 for Aluminization Coating Using Taguchi-ANOVA analysis by MINITAB13 [PDF]

open access: yesEngineering and Technology Journal, 2009
The increasing demands for high quality coatings has made it inevitable thatthe surface coating industry would put more effort into precisely controlling thecoating process relative to media for which is subjected.
Abbas Khammas Hussein
doaj   +1 more source

Modeling of Surface Modification of Stainless Steel by Halide Activated Pack Cementation Method

open access: yesAfyon Kocatepe University Journal of Sciences and Engineering, 2023
In high-temperature applications, ferrous-based materials are important due to their excellent combination of desirable mechanical properties, ease of production, corrosion resistance at room temperature and cost-effectiveness. However, mechanical properties must be optimized against environmental effects.
Kahrıman, Fulya   +2 more
openaire   +5 more sources

Taguchi Approach to Optimize Pack Aluminization Parameters in Carbon Steel Using MINITAB13 [PDF]

open access: yesEngineering and Technology Journal, 2009
Pack aluminization has been rapidly developed and widely used in many fieldsdue to its superior properties of coating. Surface is the only part of the componentwhich has to coexist with external environment. Majority of engineering failuresoriginate from
Abbas Khammas Hussein
doaj   +1 more source

High temperature resistance of silicide-coated niobium [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2021
In this paper, thermal oxidation resistance of silicide-coated niobium substrates was tested in a temperature range of 1300–1450°C using an HVOF burner. Pure niobium specimens were coated using the pack cementation CVD method.
Radosław Szklarek   +6 more
doaj   +1 more source

Microstructure and Pitting Corrosion Resistance of Titanizing Coating Prepared by Pack Cementation on 316L Stainless Steel

open access: yesInternational Journal of Electrochemical Science, 2021
Titanizing coatings were prepared on 316L stainless steel by the pack cementation method at 950, 1020 and 1100 °C. The coating surface and cross-section were analyzed by using X-ray diffraction (XRD) and scanning electron microscopy (SEM).
Minhang Zeng, Yong Yang, Moucheng Li
doaj   +1 more source

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