Patent
Method for observing metallographic structure of niobium-titanium alloy
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TLDR
In this article, a method for observing the metallographic structure of niobium-titanium alloy is described, which is characterized by comprising the following steps of: firstly, grinding a sample on a grinding machine, polishing the sample in a polishing machine, and chemically polishing it in a mixed solution of sulfuric acid + nitric acid + hydrofluoric acid; then, selecting a reagent of the reagent to erode the sample, and observing the structure.Abstract:
The invention relates to a method for observing the metallographic structure of niobium-titanium alloy, which is characterized by comprising the following steps of: firstly, grinding a sample on a grinding machine, polishing the sample on a polishing machine, and chemically polishing the sample in a mixed solution of sulfuric acid + nitric acid + hydrofluoric acid; then, selecting a reagent of sulfuric acid + nitric acid + hydrochloric acid + hydrofluoric acid to erode the sample, and observing the metallographic structure By using the method, the metallographic structure of niobium-titanium alloy can be observed clearly The method provided by the invention is easy to operate without any special equipment, and good effect is achieved in the preparation of a metallographic sample of niobium-titanium alloyread more
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Observation method of Ti-Ni alloy metallographic structure
TL;DR: In this article, an observation method of a Ti-Ni alloy metallographic structure is presented, comprising of machining, grinding, polishing, etching, and observing.
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Method for observing metallographic structure on titanium/steel explosion welding interface
Hongzheng Ma,Xuehua Zhang,Jingjing Wu,Hongchuan Ye,Pingcang Li,Keshe Fan,Xuejun Zheng,Henglei Qu,Shaokai Chen +8 more
TL;DR: In this paper, a method for observing a metallographic structure on a titanium/steel explosion welding interface is presented, which comprises the following steps: 1, machining a metelographic structure observation plane on the titanium/ steel explosion welding interfaces; 2, grinding the metallography observation plane; 3, carry out pickling with HF solution; 4, carrying out mechanical polishing; 5, eroding titanium and polishing steel; and 6,carry out observation.