What is the absorptivity (alpha value) of Ti-48Al-2Cr-2Nb alloy for this material??

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What are the true stress- true strain curves at different temperature for Ti-48Al-2Cr-2Nb alloy?

Hi everyone Can anyone please share the stress-strain curves for TiAl based Ti-48AL2Cr-2Nb alloy for thermomechanical analysis in ANSYS.

31 December 2017 8,574 0 View

What are the Grain size of Alpha and Beta phases at 750oC in Titanium aluminide (Ti48Al2Cr2Nb) alloy ?

Hi everyone Can anyone help me out on above question. At 750 c it has alpha and beta phases. So in-order to calculate flow stress following are required1.alpha grain size:2.beta grain size :

08 September 2017 6,395 0 View

Influences of the temperature on vonmises stress and principal stress in laser melting of Titanium alloys?

Hi everyone I have done the simulation of laser remelting process on titanium alloys. I want to know how does the temperature effects the vonmises stress and principal stress. Also, please do...

07 August 2017 8,252 1 View

Can any one suggest me the material modeling in ansys APDL?

Specifically explain about Bi-linear and multi-linear and what are the properties are must to do this simulation. These are dependent on which models

01 February 2017 5,970 0 View

Element birth and Death technique

Can you anyone help me regarding element birth and death technique. My questions 1) what is the value of Stiffness multiplication for transient thermal analysis in element birth and death...

04 May 2016 6,821 4 View

How do I couple the transient thermal analysis with structural analysis in ansys for finding the thermal stresses?

1) How to couple the transient thermal analysis into the mechanical analysis(structural analysis) to find the residual stresses 2) In ansys software 3) I have the transient thermal simulation...

11 December 2015 9,298 4 View

What are the properties of Nitinol materials such as temperature wrt conductivity, specific heat and density?

For example Temperature(c) conductivity(w/m k) Specific heat Density(kg/m3) 25 6.5 60 4470

03 April 2015 3,084 5 View

Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 980 5 View

How can I add own Henry coefficients in Aspen Plus?

Hi, i would like to simulate an absorption process in Aspen Plus. I want to use the NRTL model und would like to add some individual Henry coefficients. Is that possible and how?

05 August 2024 2,333 2 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Why is TLC not a form of partition chromatography?

Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?

03 August 2024 7,035 3 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

¿Are oxygen vacancies in semiconductors capable to change the band gap?

Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...

30 July 2024 8,339 2 View

How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

How to make the concentration measurements for the hydrogen absorption/desorption in the metal hydride?

Hello Everyone! I am trying to create a metal hydride system where I am trying to create a temperature control with the emphasis on measuring the concentration of the hydrogen with the hydrogen...

29 July 2024 7,577 2 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

Standard curve of H2O2?

Hi, I need to prepare a standard curve of H2O2 to evaluate the primary products of oxidation. H2O2 I have is 35%. How do I prepare a stock of H2O2 10 microlitere. If s.o has experience, I would be...

26 July 2024 3,460 2 View

Vadim Verlotski

Ask the Professor Clemens from Uni-Leoben. He is an Expert for TiAl alloys.

https://www.unileoben.ac.at/de/2835/?no_cache=1&tx_ttnews%5Byear%5D=2014&tx_ttnews%5Bmonth%5D=09&tx_ttnews%5Bday%5D=17&tx_ttnews%5Btt_news%5D=2148

Gert Nolze

Which kind of absorption? IR, X-rays, sound...? Is your materials homogeneous or does it contain several phases? Do you need all, or only a mixture? What is the reason of your question?