Why the fabric strength in warp direction is better than weft direction?

During weaving, warp is the yarns that are being stressed to maintain the tension, there will definitely have residual stress in the yarns that are in the warp direction. This eventually results...

02 March 2018 7,597 1 View

What tenses should be used in the research paper and thesis? The most concern part is the literature review.

Chapter 1 is the introduction, so combination of present and past tense should be used. However, Chapter 2 is the literature review, should it be the past tense since they are those previous works...

07 August 2017 4,092 3 View

Is there any ASTM standard for flexural test of metallic alloys?

ASTM standard is required for the 3-point bending test of metallic materials. Thank you.

05 June 2017 7,690 5 View

Dear all, what is the difference between delamination and debonding in composite materials? Are they the same?

The definition of these two words are similar, which is the separation of two materials. Thank you.

02 March 2017 4,397 5 View

Can Rule-of-Mixture be applied to composite structure with different fibre orientation?

When we calculate the strength of composite using rule of mixture, fibre orientation is not taken into account, so is it a good method to obtain the properties of the composite?

09 October 2016 4,812 5 View

What is the difference between toughness and ductility of a material?

From my understanding, both of them refer to the ability to plastically deform without failure. Can any expert explain to me? Thank you very much

08 September 2016 2,750 95 View

Good morning, dear experts. Can I know does material with high density exhibits high mechanical strength also?

relationship between density and mechanical strength especially fatigue strength. Thank you

05 June 2016 2,297 3 View

Good day everyone, I would like to ask whether composite with 45 degree fibre orientation has better fatigue life cycle compared to 90 degree?

03 April 2016 1,528 5 View

Good day everybody, can I know what is the minimum point required in S-N curve for metallic material? Thank you

I'm confusing whether 6 points are sufficient for S-N curve.

01 February 2016 1,390 14 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View