Changes in Microstructure and Properties of Ni-Ti Alloy after Addition of Ternary Alloying Element

By testing the mechanical properties, microstructure observation, accelerated corrosion test, the effect of alloying element nickel on microstructure and properties of weathering steels was studied. The results showed that nickel content from 0 to 0.44%（mass percent）have little influence on microstructure and mechanical properties of weathering steels.The corrosion resistance enhanced with increasing nickel content, and nickel content of 0.11% or more had significant enfluence on corrosion resistant performance of weathering steels.

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Effect of alloying element Zr on the microstructure and properties of graphite flake/Cu composites fabricated by vacuum hot pressing

Journal of Alloys and Compounds ◽

10.1016/j.jallcom.2018.08.107 ◽

2019 ◽

Vol 770 ◽

pp. 267-275 ◽

Cited By ~ 11

Author(s):

Ren Zhang ◽

Xinbo He ◽

Haitian Chen ◽

Xuanhui Qu

Keyword(s):

Hot Pressing ◽

Graphite Flake ◽

Alloying Element ◽

Microstructure And Properties ◽

Vacuum Hot Pressing ◽

Effect Of Alloying

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Nanotube and Micropore of Ti Alloy Systems for Biocompatibility

Materials Science Forum ◽

10.4028/www.scientific.net/msf.654-656.2061 ◽

2010 ◽

Vol 654-656 ◽

pp. 2061-2064 ◽

Cited By ~ 6

Author(s):

Han Cheol Choe

Keyword(s):

Surface Modification ◽

Cell Adhesion ◽

Titanium Alloys ◽

Efficient Method ◽

High Purity ◽

Ternary Alloys ◽

Ti Alloy ◽

Clinical Use ◽

Alloying Element ◽

Cell Adhesion And Proliferation

Micropore and nanotube formation on the Ti oxide are important to improve the cell adhesion and proliferation in clinical use. In this study, nanotube and micropore of Ti alloy for biocompatibility have been investigated using FE-SEM and XRD. Ternary alloys were prepared by using high purity sponge Ti Ta, Zr and Nb sphere (99.95% wt.%). Two-step anodizing was used for surface modification of the titanium alloys. Micropore formation was first performed using a potentiostat in 1 M H3PO4 electrolyte and nanotube formation was performed in 1M H3PO4 + 0.8wt% NaF solution by using a potentiostat. The two-step anodizing process is an efficient method for forming micropores and nanotubes on the surfaces of ternary titanium alloys, and the morphology of micropore and nanotube is dependent on the alloying element and composition of ternary alloy.

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Influence of Alloying Elements and Processing in AA 8006-Alloys on Microstructure and Properties of Rolled Products

Materials Science Forum ◽

10.4028/www.scientific.net/msf.794-796.1147 ◽

2014 ◽

Vol 794-796 ◽

pp. 1147-1151

Author(s):

Jochen Hasenclever

Keyword(s):

Thermal Stability ◽

Process Parameters ◽

Casting Process ◽

Alloying Elements ◽

Important Process ◽

Intermediate Annealing ◽

Alloying Element ◽

Final Thickness ◽

Microstructure And Properties ◽

Dc Casting

The effect of Manganese as alloying element and important process parameters on the microstructure of AA 8006-alloys was investigated in this work. Furthermore the effect of different casting processes (CC-casting versus DC-casting) was studied. The addition of higher Mn-contents results in higher strength values and a better thermal stability. The recovery and recrystallisation behaviour is also influenced by the processing. Important process steps are the preheating and the intermediate annealing. The properties at final thickness are also related to the applied casting process ( DC versus CC).

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Iron as a Promising Alloying Element for the Cost Reduction of Titanium Alloys: A Review

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.864.147 ◽

2017 ◽

Vol 864 ◽

pp. 147-153

Author(s):

Ayad Omran Abdalla ◽

Astuty Amrin ◽

Sallehuddin Muhammad ◽

Mohd Ariff Azmah Hanim

Keyword(s):

Mechanical Properties ◽

Cost Reduction ◽

Cost Effective ◽

Ti Alloy ◽

Alloying Element ◽

Ti Alloys ◽

Alloy Series ◽

China And Japan ◽

The Cost ◽

Fe Addition

This article focuses on the effect of iron (Fe) addition on the fabrication of Ti-alloys. Fe is a potential inexpensive element that can be added to Ti-alloys to reduce their cost. This metal can also be used to replace expensive β-stabilizing alloying elements, such as vanadium (V) and molybdenum (Mo), for Ti-alloys. Fe has also been utilized as a novel cost-effective alloying element to decrease Ti-alloy costs and to design other alloys, such as Ti metal 62S (Ti-6Al-1.7Fe-0.1Si) and Ti-Fe-O-N Ti-alloy. This technical perspective has been further applied to fabricate new Ti-alloys. For example, Ti8LC and Ti-5.5Al-1Fe with good mechanical features have been developed as novel Ti-alloys in China and Japan, respectively. Nowadays, vanadium (V) of Ti-6Al-4V alloy is completely replaced with Fe to produce Ti-Al-Fe alloy series. Three new alloys, namely, Ti-6Al-xFe, where x = 1, 2, and 3 wt%, are introduced to examine the effect of Fe addition on the microstructure and mechanical properties of Ti-alloys.

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Effect of Nb-Content on Mechanical Properties of (Ni47Ti44)100-xNbx Shape Memory Alloys

Materials Science Forum ◽

10.4028/www.scientific.net/msf.475-479.1945 ◽

2005 ◽

Vol 475-479 ◽

pp. 1945-1948 ◽

Cited By ~ 3

Author(s):

Xiang Ming He ◽

De Sheng Yan ◽

Zhi Min Jiang ◽

Li Jian Rong

Keyword(s):

Mechanical Properties ◽

Electron Microscope ◽

Shape Memory ◽

Transgranular Fracture ◽

Electron Microscope Observation ◽

Alloying Element ◽

Nb Content ◽

Scan Electron Microscope Observation ◽

Ternary Alloying ◽

Fracture Character

A ternary alloying element Niobium addition to the Ni-Ti shape memory alloy could optimize transformation temperatures, mechanical properties. In this paper, with the help of ambient tensile test and scan electron microscope observation, the influences of Nb-content on the mechanical properties of (Ni47Ti44)100-xNbx alloys were investigated in detail. The results indicated that both the fracture strength (sb) and the elongation (d) decreased gradually with the increasing of the Nb content. The fracture surfaces showed the fracture character of the alloys was clearly gliding fracture, which is typically transgranular fracture mode.

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