SU142116A1 - Electrolyte for detecting austenite grain in high-carbon and alloyed rail steel - Google Patents
Electrolyte for detecting austenite grain in high-carbon and alloyed rail steelInfo
- Publication number
- SU142116A1 SU142116A1 SU698892A SU698892A SU142116A1 SU 142116 A1 SU142116 A1 SU 142116A1 SU 698892 A SU698892 A SU 698892A SU 698892 A SU698892 A SU 698892A SU 142116 A1 SU142116 A1 SU 142116A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- electrolyte
- detecting
- carbon
- austenite grain
- rail steel
- Prior art date
Links
Landscapes
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Description
Электролиты, примен емые обычно дл вы влени зерна аустенита, непригодны дл протравливани шлифов высокоуглеродистой и легированной рельсовой стали вследствие образовани на поверхности шлифа темного налета, вуалирующего границы зерен.Electrolytes commonly used to detect austenite grains are unsuitable for etching high-carbon and alloyed rail steel sections due to the formation of a dark deposit on the surface, veiling the grain boundaries.
Описываемый электролит не имеет этого недостатка. Достигаетс это тем, что в состав электролита ввод т хромовый ангидрид, в присутствии которого вуалирующа пленка, образующа с в процессе анодного растворени при обработке шлифа электролитом, раствор етс и удал етс с поверхности шлифа.The described electrolyte does not have this disadvantage. This is achieved by introducing chromic anhydride into the electrolyte composition, in the presence of which the veiling film formed during anodic dissolution during the thin section treatment with electrolyte dissolves and is removed from the thin section surface.
Наилучшие результаты достигаютс при работе с электролитолк содержащим 300 г1л сернокислого алюмини и 20 мл1л хромового анг1:др да . Электролитическое травление следует осуществл ть в течение 60 сек при плотности тока 0,6-0,9 alcjyi и напр жении 10-15 в.The best results are achieved when working with an electrolit containing 300 g1l of aluminum sulphate and 20 ml of chrome angl: other yes. Electrolytic etching should be carried out for 60 seconds at a current density of 0.6-0.9 alcjyi and a voltage of 10-15 c.
Рассто ние шлифа, вл ющегос анодом, от катода из нержавеющей стали должно составл ть 6-10 мм. Перед травлением щлиф промывают спиртом, а после травлени - в струе проточной воды и затем в спирте. Просушивалс шлиф подогретым сжатым воздухом.The distance of the thin section, which is the anode, from the stainless steel cathode should be 6-10 mm. Before etching, the schliffe is washed with alcohol, and after etching, with a stream of running water and then with alcohol. Dry dried with heated compressed air.
Введение небольщих добавок хромового ангидрида в раствор сернокислого алюмини и изменение режима травлени дало хорошие результаты вы влени зерна аустенита при травлении рельсовой стали со структурой сорбита, тростита и мартенсита.,:,,- ;: :The introduction of small additions of chromic anhydride into the aluminum sulphate solution and a change in the etching mode gave good results in detecting austenite grain by etching rail steel with a structure of sorbitol, trostite, and martensite.,: ,, -::
Предмет и з о б р е т е н и Subject and title
1. Электролит дл вы влени зерна аустенита в высокоуглеродистых и легированных рельсовых стал х, состо щий из водного раствора сернокислого алюмини , отличающийс тем, что, с целью удалени наMl42116- 2 лета продукт9й.,рдсп9да анодного растворени с поверхности шлифа, в его сс(став -ввОд гхрокЙвый ангидрид.1. An electrolyte for detecting austenite grain in high carbon and doped rail steels, consisting of an aqueous solution of aluminum sulphate, characterized in that, in order to remove product 9y in M42426-2, the anodic dissolution of the anodic solution from the surface of the thin section, in his case ( becoming a VHF anhydride.
2j Электролит ПО;-Д1. 1,.о т л и ч а ю щ и и с тем, что травление образца; 1|аследуемой стали(|существл ют в растворе, содержащем 30 г cepHOKHciioEb йлййинй на 100 мл воды с добавкой 2 мл хромового ангидриДа при аанр й ении 10-15 в, плотности тока 0,6-0,9 а/см в течение 6Q сек. 2j Electrolyte software; -D1. 1. О т л ю and the fact that the sample is etched; 1 | test steel (| exist in a solution containing 30 g of cepHOKHciioEb solution per 100 ml of water with the addition of 2 ml of chromic anhydride and with a 10–15 in aerial density, current density of 0.6–0.9 a / cm for 6Q seconds
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU698892A SU142116A1 (en) | 1961-02-08 | 1961-02-08 | Electrolyte for detecting austenite grain in high-carbon and alloyed rail steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU698892A SU142116A1 (en) | 1961-02-08 | 1961-02-08 | Electrolyte for detecting austenite grain in high-carbon and alloyed rail steel |
Publications (1)
Publication Number | Publication Date |
---|---|
SU142116A1 true SU142116A1 (en) | 1961-11-30 |
Family
ID=48298007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU698892A SU142116A1 (en) | 1961-02-08 | 1961-02-08 | Electrolyte for detecting austenite grain in high-carbon and alloyed rail steel |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU142116A1 (en) |
-
1961
- 1961-02-08 SU SU698892A patent/SU142116A1/en active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SU142116A1 (en) | Electrolyte for detecting austenite grain in high-carbon and alloyed rail steel | |
SU136584A1 (en) | Method for cathode etching of metal thin sections | |
GB627648A (en) | Improvements in or relating to the production of ammonium persulphate solutions | |
SU699394A1 (en) | Electrolyte for etching low-carbon steel | |
SU101526A1 (en) | Method of electrochemical cathode blackening of the surface of metal products | |
GB1043549A (en) | Improvements in or relating to methods of making electrodes for electric storage batteries | |
SU253518A1 (en) | Method of electrochemical polishing of vanadium | |
SU105672A1 (en) | Electrolyte for fermentation and method of its use | |
SU437948A1 (en) | Electrolyte for Electrochemical Etching of Steel | |
Zeller | Electrolytic oxidation of ethyl alcohol to acetic acid | |
Tanaka et al. | Amperometric Titration of Dodecyl Pyridinium Bromide with Sodium Dodecyl Sulphate | |
JPS55125298A (en) | Descaling method by electrolysis of stainless steel | |
SU130310A1 (en) | The method of removing a prickly layer from the surface of flat bimetallic forms of offset printing | |
JPS5589500A (en) | Electrolytic multi-coloration for aluminum or aluminum alloy anode oxide film | |
GB977569A (en) | Improvements in and relating to the electrolytic production of manganese dioxide | |
JPS55125299A (en) | Electrochemical sand setting method for aluminum sheet | |
SU140649A1 (en) | Anodrome chrome plating method | |
ES459082A1 (en) | An electrochemical procedure to obtain manganese dioxide. (Machine-translation by Google Translate, not legally binding) | |
Buchanan et al. | Electrokinetic potential of Barium sulphate | |
SU66029A1 (en) | Method for producing mercuric oxide | |
GB546736A (en) | Method of and device for manufacturing composite structural members | |
US1590604A (en) | Electrolytic cell | |
Mirzoev | Concentration Changes in the Repassivation of Pitting | |
SU397559A1 (en) | VPT B ^ jHCnEP ^ | |
GB612478A (en) | Improvements in or relating to the electrolytic treatment of metals |