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·The most common CoCr based alloys are of the cobalt chromium tungsten Co Cr W and cobalt chromium molybdenum Co Cr Mo types where chromium provides a passive Cr 2 O 3 surface oxide that is the same corrosion resistant film that forms for stainless steels and W and/or Mo both act as strengthening elements within the CoCr
·Effect of Cu on microstructure mechanical properties corrosion resistance and cytotoxicity of CoCrW alloy fabricated by selective laser melting Journal of the Mechanical Behavior of Biomedical Materials IF Pub Date 2018 02 23 DOI /
·The article deals with selective laser melting process using CoCrW powder Our aim was to identify the influence of product position on the building platform and the re use of powder on roughness hardness porosity and corrosion properties of materials made under uniform process parameters Roughness was tested with a stylus profilometer
·The effect of 3 wt % Cu addition on the microstructure tribological property and corrosion resistance of CoCrW alloys fabricated by selective laser melting Journal of Materials Science Materials in Medicine IF Pub Date 2018 03 19 DOI /s10856 018 6043 7
Product details CoCrW is one of the the stellite alloys which can resist various types of wear corrosion and oxidation at high temperature According to the compositions of alloys they can be made into welding wire powder to be used for hard surface surfacing thermal spraying spray welding They can also be mad
The cobalt based Stellite alloys are our most well known and successful alloys with the best all around properties They combine excellent mechanical wear resistance especially at high temperatures with very good corrosion resistance The Stellite alloys are cobalt based with additions of Cr C W and/or Mo
·AEM supplies high purity spherical cobalt powder and CoCrW CoCrMo and CoCrMoW alloy powders—purity over % with various sieve sizes Bearing sleeves wear plates and a small amount of Ni Mo Si C Nb Ta elements and the Co is the main ingredient These cobalt alloy powders are used in overlayed welding spray
In this study an experimental investigation on fabricating Ni free CoCrW alloys by selective laser melting SLM for dental application was conducted in terms of microstructure hardness mechanical property electrochemical behavior and metal release; and line and island scanning strategy were applied to determine whether these strategies are able to
·This work presents the new comparative results of Co Cr alloys including the surface hardness mechanical and electrochemical corrosion properties Two types of samples were prepared by conventional casting CST and selective laser melting SLM methods The specimens were made in rectangular sheet shape with dimensions of 20 ×
· article{Lu2016MicrostructureMP title={Microstructure mechanical property and metal release of As SLM CoCrW alloy under different solution treatment conditions } author={Yanjin Lu and Songquan Wu and Yiliang Gan and Shuyuan Zhang and Sai Guo and Jun Pin Lin and Jinxin Lin} journal={Journal of the mechanical behavior of
·Abstract The electrochemical corrosion behaviors of as SLMed CoCrW alloy after different heat treatments were investigated in % NaCl solution with and without the fluoride ions by open circuit potential OCP potentiodynamic polarization
The Use Of CoCrW Cobalt chromium tungsten alloy is widely used in locomotive diesel engines nuclear power plant valves marine diesel engines and various aircraft It can still maintain high hardness and strength at 650℃ which is an important feature that distinguishes this type of alloy from nickel based and iron based alloys Cobalt
·In this study the CoCrW xCu alloys x = 2 3 and 4 wt% were fabricated using selective laser melting abbreviated as Co 2Cu Co 3Cu and Co 4Cu with the purpose of reducing the inflammation responses and the activity of metal ions releasing test showed that when the Cu content was less than 4 wt% the releasing
·Yamanaka et al 2014e used the additions of carbon into the hot rolled CoCrW alloys to improve the mechanical properties and believed that the strengthening of CoCrW alloys due to added carbon originated from the precipitate of fine M 23 C 6 carbide particles and the coarse carbides caused the gradual decrease in tensile ductility
·Three Stellite alloys with different Si contents CCW CCW 3Si and CCW 5Si were prepared via spark plasma oxidation behavior at 800 °C was studied After 200 h oxidation oxide scale grown on the alloys CCW and CCW 3Si is mainly composed of Cr 2 O 3 and CoCr 2 O for the alloy CCW 5Si SiO 2 formed at the
Stellite 6 is the most widely used of the wear resistant cobalt based alloys and exhibits good all around performance It is regarded as the industry standard for general purpose wear resistance applications has excellent resistance to many forms of mechanical and chemical degradation over a wide temperature range and retains a reasonable
Read Effects of scanning speeds on the wear behavior of CoCrW alloy fabricated by selective laser melting ball on disk test is performed to simulate the similar contact applications for marine/automotive components such as bearings Bearing steel balls are used as a standard sliding counterpart material to investigate the wear properties
·In this work a novel Cu bearing CoCrW alloy fabricated by selective laser melting for dental application has been studied For its successful application the bonding strength of metal porcelain is essential to be systematically investigated Therefore the aim of this study was to evaluate the metal porcelain bonding strength of CoCrWCu alloy by
·We successfully used CoCrW alloy as the feedstock for directly shaping wear resistant products by additive manufacturing We present a guideline for forming substantive high density crack free CoCrW alloys via laser metal deposition LMD and evaluated the relationship between the microstructure and mechanical properties CoCrW
·Plain Journal Bearings Also known as sleeve bearings these are the simplest type consisting of a cylindrical sleeve around the shaft rotates within the bearing and a film of lubricant separates the two surfaces to reduce friction Advantages include a simple design cost effectiveness and suitability for moderate loads and
·DOI / Corpus ID 96058783; Study on antibacterial performance of Cu bearing cobalt based alloy article{Wang2014StudyOA title={Study on antibacterial performance of Cu bearing cobalt based alloy} author={Shuai Wang and Chunguang Yang and Ling Ren and Minggang Shen and Ke Yang}
·Yamanaka et al 2014e used the additions of carbon into the hot rolled CoCrW alloys to improve the mechanical properties and believed that the strengthening of CoCrW alloys due to added carbon originated from the precipitate of fine M 23 C 6 carbide particles and the coarse carbides caused the gradual decrease in tensile ductility
·Effect of laser speeds on the mechanical property and corrosion resistance of CoCrW alloy fabricated by Rapid Prototyping Journal IF Pub Date 2017 01 16 DOI /rpj 07 2015
·The main CoCr families used in these applications are CoCrMo alloys which are widely used for several types of prostheses [2 4] and CoCrW alloys are mainly used in dental prostheses because of
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