Jimmy Lolu Olajide

21 Questions 40 Answers 0 Followers

Questions related from Jimmy Lolu Olajide

Is RSM-CCD restricted to 3 levels (Box-Behnken) and 5 levels only in Design Expert?

As I have seen publications with 2 and 4 levels RSM-CCD DOE. I will like to know if such designs are valid. Response Surface Methodology (RSM), Central Composite Design (CCD), Design of Experiment...

20 June 2019 4,489 12 View

Appropriate model to predict the effective elastic modulus of composites filled with multishape inclusions. Anyone please?

Kanaun-Jeulin methodology Estimate based upon energy-based effective strains Effective Field method Mori–Tanaka method (Multi-Phase and Multi-Step Approaches) Benveniste approach

29 June 2017 9,855 3 View

How accurate is the Mori-Tanaka Model in estimating the elastic moduli of polymer composites with multi-shape inclusions?

modeling,elastic modulus, hybrid reinforcements, polymer matrix composites

04 June 2017 2,633 5 View

Is it possible to predict keratin content/amino acid in hair fibers from the crude protein content?

Relationship between crude protein content and keratin Any existing mathematical expression or equation relating these two? Hair keratin extraction Crude protein

17 October 2016 6,032 7 View

What is the possibility of calculating the activation energy of a polymeric material heated at 10 C/min from 25 C to 800 C?

I am not sure if any of the conventional approaches employed in determining the kinetics of thermal decomposition of polymers would work for me since I used a single heating rate (10...

15 September 2016 7,369 3 View

Is it possible to model the kinetics of thermal degradation of polymer composites from just TGA data?

Non Isothermal Degradation, Kissinger Model, Flynn Model,

13 September 2016 9,734 8 View

What is the easiest experimental procedure to extract keratin from a mammalian hair fibre?

This question is with regards to biofibres, keratin extraction, amino sequence, biomaterial and hair strength.

01 September 2015 5,032 7 View

How can I create a self-healing sandwiched polymer biocomposites with 3D printing?

Biocomposites, Polymer composites, advanced engineering materials, self healing materials, 3D printing

03 August 2015 6,919 2 View

How can I simulate 800 ml of seawater (representative of marine environment (not fresh water)?

Water absorption test, 3.5 NaCl solution.

10 June 2015 2,618 2 View

Can anybody give me detailed step by step analysis on how to carry out moisture absorption test on polymer composite?

Water absorption

29 May 2015 2,757 11 View

How does increase in fibre length improve the mechanical behavior of fibre reinforced plastics?

Specifically random dispersion of discontinuous fibres in the polymer matrix

23 May 2015 1,396 4 View

What is the relationship between melanin pigmentation and mechanical strength of mammalian hair fibres?

Animal Fibre, Mechanical Behaviour, Hair color, Hair Strength, Melanin Pigmentation, Cortical Keratin

28 April 2015 7,743 4 View

Where is the ash content in hair fiber stored and how can it be reduced or increased?

hair fibre, melanin, keratin, oxidative treatment, alkaline treatment, inorganic matters, pH level, temperature

25 March 2015 1,703 0 View

Where can I get phase diagrams for Al-Mg-Si (AA 6063) alloys?

Heat treatment, Aluminium Metal Matrix Composites, Phase Diagram, Physical Metallurgy, Metallography

19 March 2015 4,986 3 View

Is Young's modulus dependent on ultimate tensile strength and tensile strain at maximum load or yield strength and tensile strain at yield?

The Instron tensile testing machine i used for my research findings on a fibre gave the following results, tensile stress and strain at maximum load, tensile stress and strain at yield, tensile...

26 February 2015 6,523 5 View

Can ash, moisture, and crude protein be regarded as chemical or physico-chemical properties of biofibres?

biofibres, physico-chemical properties, chemical properties

13 February 2015 8,527 2 View

Is it possible to discuss the mechanical behavior of a material in the absence of yield strength knowing the UTS, hardness and strain to fracture?

AA 6063 metal matrix composites, mechanical behaviour, yield strength, ultimate tensile strength, hardness, strain to fracture

04 February 2015 4,701 3 View

How do I create the right temperature for testing the biocompatibility of a polymeric implant in the human blood and body fluids?

Polymeric biomaterials, human blood, biocompatibilty, cytotoxicity, dextrose and saline solution, glucose solution, biodegradation, internal environment of the human body, temperature effect

03 February 2015 227 4 View

Why does my animal fibre reinforcement enhance flexural strength and modulus but reduce tensile strength of the HPDE composite?

Animal fiber, HPDE, flexural strength, bending modulus, tensile strength, mechanical properties.

18 November 2014 8,528 2 View

Why on earth should i have weight loss in agrowaste reinforced polyster matrix composites when the samples are still immersed in water?

Water Absorption rate,Hydrophilic, Hydrophobic, Rice husk Ash, Hygroscopic efficiency I was expecting a constant increase in absorption with increase in immersion time

06 November 2014 6,177 3 View

What are the limitations of rice husk ash (treated) fillers in polymeric composites?

Water absorption

25 September 2014 586 2 View