Metals

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Questions related to Metals

Titanium welding of grade 6 ( TI-5Al-2.5 Sn)?

In titanium welding of grade 6 ( TI-5Al-2.5 Sn), which are the intermetallics and precipitations that can be formed? Is there a way to avoid their formation?

04 April 2017 9,608 1 View

How do I the electrical conductivity of metal ions in solution?

Hi all! I am not an inorganic chemist so this might be a very simple question for inorganic chemists. I wanted to qualitatively compare electrical conductivity of transition metal ions in water...

04 April 2017 1,821 3 View

Howto find whether the distribution of metals in size segregated PM is unimodal, bimodal or multimodal?

Suppose barium concentration in coarse, accumulation and quasi-ultrafine stages is 0.039, 0.189 and 0.056 microgram cubic meter, the what distribution pattern it follows?

04 April 2017 8,774 3 View

How does sulphur affect the transverse ductility of steels?

could someone explain me how sulphur addition to steel in excess affect the transverse ductility , while the longitudinal ductility remains unaffected ?

04 April 2017 3,951 3 View

Difference between TE-TM modes and horizontal-vertical polarization?

In a waveguide or a fiber are TE-TM modes same as horizontal and vertical polarization? When are they same when are they different?

02 April 2017 399 14 View

Is there a definite list of all metals that are regarded as high- tech metals?

I have to undertake a research study merely on high-tech metals..i am wondering if there is an exact list of metals that are regarded as high-tech metals..apart from REEs.

03 March 2017 3,326 1 View

How can I measure the stability of clay humus complexes in soil?

Suggest me the best way of measuring stability of clay humus complexes in soil. Thank u.

03 March 2017 7,945 4 View

What metric is the best indicator of aerosol particles toxicity? Size, composition, color, mass?

More dangerous to public health: 1) lower 24 h PM10 mass concentration, lower particle diameter (ultrafine), larger BC mass fraction, more blackish; OR 2) higher 24h PM10 mass concentration,...

03 March 2017 396 17 View

Is there a definite list of all metals that are regarded as high- tech metals?

I have to undertake a research study merely on high-tech metals..i am wondering if there is an exact list of metals that are regarded as high-tech metals..apart from REEs.

02 March 2017 2,284 1 View

How can I remove iron and titanium oxide impurities from clay by bioleaching?

I am interested in Bioleaching method.

27 February 2017 1,925 3 View

How the formation of eutectic Si takes place in the Rheometal process ?

In the rheometal process when stirring of the liquid using EEM at different stirring speed is carried out. During the stirring the slurry formation takes place within 30 seconds and water...

10 February 2017 5,734 7 View

What's the initial oxidation rate for pure titanium?

I'm interested to know how long it takes for the oxide layer to reform after it has been broken. Is it on the order of nanoseconds, faster, slower?

02 February 2017 1,686 3 View

How can I remove iron and titanium oxide impurities from clay by bioleaching?

I am interested in Bioleaching method.

02 February 2017 3,551 3 View

I want to use an additive to bring my electrodeposited Zinc-Iron alloy grains into a nanometric scale. What do you suggest?

The coating electrolyte is a chloride bath.

02 February 2017 4,322 2 View

How the formation of eutectic Si takes place in the Rheometal process ?

In the rheometal process when stirring of the liquid using EEM at different stirring speed is carried out. During the stirring the slurry formation takes place within 30 seconds and water...

02 February 2017 8,847 7 View

Can computational chemistry predicts properties of li-ion cathode?

i just think if computational chemistry can get properties of li-ion cathode, so i might predict a new cathode of li-ion using computer. and if you dont mind, please describe the methode to doing...

26 January 2017 4,884 3 View

Can bimetallic nanoparticles give UV spectrum without any characteristic peak?

I have gone through some of the literature where there is written that it's possible that bimetallic nanoparticles may give no characteristic UV peak even though the individual metals may at...

21 January 2017 3,512 6 View

What is the best method to prepare Ca-based alloys from pure elements?

I´d like to prepare Ca-based alloys from pure elements but the problem is strong evaporation and oxidation of Ca. Do you have any advice how to avoid these problems? Melting point of other...

15 January 2017 6,583 7 View

What is overpotential w.r.t. electrochemical sensors? How to minimize it?

Why in some cases it is very high ?

15 January 2017 9,669 5 View

Can computational chemistry predicts properties of li-ion cathode?

i just think if computational chemistry can get properties of li-ion cathode, so i might predict a new cathode of li-ion using computer. and if you dont mind, please describe the methode to doing...

01 January 2017 9,457 3 View

What is the best method to prepare Ca-based alloys from pure elements?

I´d like to prepare Ca-based alloys from pure elements but the problem is strong evaporation and oxidation of Ca. Do you have any advice how to avoid these problems? Melting point of other...

01 January 2017 1,921 7 View

Could you please give me the link on RfD and CSF values which is uesd in assessing the health risk?

I got some oral reference doses of metals but not more than 8 heavy metals (Cu, Ni, Cr, As, Pb, Cd, Hg, Zn) from different journal papers. Now I want to get more than 10 heavy metals oral...

01 January 2017 4,405 2 View

What is overpotential w.r.t. electrochemical sensors? How to minimize it?

Why in some cases it is very high ?

01 January 2017 5,622 5 View

What research is the ASME BPVC Section III Subsection NH based on?

What is the background behind the method used for evaluating Creep-fatigue in ASME BPVC Section III Subsection NH? What or who’s research is it based on?

01 January 2017 9,801 4 View

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