All Questions
Tagged with materials automotive-engineering
17
questions
0
votes
2
answers
88
views
Is there any special coating or paint that will strongly bond to an automobile tire's tread and can be driven on?
I would like to know if there is any special coating or special paint that can be applied to the tread of an automobile tire, strongly bonding to it, and which is strong enough and durable enough to ...
- 303
0
votes
2
answers
84
views
Failing engine A-Mount (bad design by the automotive manufacturer?)
I currently own a Tata Nexon Petrol car (in India) where I have seen (on facebook, Telegram, WhatsApp owner groups and youtube) that the A-Mount on the engine has suffered multiple failures for some ...
- 101
2
votes
4
answers
1k
views
What is the significance of brittle materials and why do we use them?
What is the significance of brittle materials and why do we use them?
As you can see in the stress-strain curve, brittle materials have extremely low plasticity, in which cracks can initiate without ...
- 57
1
vote
1
answer
44
views
On Which Side Will The Tyre Wear Out More?
Whilst watching a F1 race recently I noticed the commentators talk about how all the cars on that race day started observing more/faster wearing down of the tyres on the front left of the car relative ...
0
votes
0
answers
209
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Why aren't elastomer suspensions still used on economy cars?
Classic Mini Coopers used a hollow rubber cone as a combination spring and damper in a pushrod suspension. Why aren't simple elastomer springs still used in cheaper cars? Formula 500 cars use an even ...
user19939
3
votes
3
answers
135
views
Shade tree engineer needs help calculating hoop stress
I have an extruded aluminum tube. I'm trying to come up with an Excel calculator that will help me find out how much force would be exerted on the internal walls if the tube was filled with rubber, ...
3
votes
1
answer
809
views
Purpose of a GD-Zn alloy
Here are screenshots of the data-sheets of two separate products for a reference. They both are nickel plated, used for coupling nuts. The former is shielded, the latter is not, I wonder if this is ...
- 133
0
votes
2
answers
92
views
Soapbox - GoKart material - Bamboo or steel?
I am building a soapbox (go kart) and I am planing on what materials I could use for the frame and the chassis. I have thought about using bamboo or steel.
Steel is normally the go to material when ...
- 13
1
vote
1
answer
64
views
Why don't car manufacturer's use a combination of disc brakes and electeomagnetic brakes to reduce braking distances?
It many be due to costs or that the brake discs would have to be made out of aluminium/copper for the electromagnetic braking to be effective or there may not be a significant reduction in braking ...
- 11
0
votes
1
answer
47
views
Measuring fracturability / airborne fuzziness of carbon fiber tow vs stainless steel tow
My friend uses carbon fiber tow in creating a component for automobile machines. However the carbon fiber is actually much tougher than it needs to be. As a risk manager in software I am concerned ...
1
vote
3
answers
426
views
Will electroplating a ventilated brake rotor with copper improve its cooling capacity and maximum its lifespan?
Since copper is excellent at dissipating heat and does not rust, I am surprised that brake manufacturers do not electroplate cast iron/steel brake rotors with a thin layer of copper (~.5mm). There are ...
user18610
0
votes
3
answers
115
views
Which material index should be maximized for a component in a car's manual type HVAC?
I was doing a case study on the plastic used in cars for controlling the AC in a manual type system which actually snapped in mine it just rotates according to the knob position in the dashboard, ...
- 109
0
votes
2
answers
100
views
Material for car mounted fire extinguisher bracket
Don't try this at home. I am taking personal responsibility for what happens in my car.
Hi all,
I recently purchased a fire extinguisher for my car (it weighs 1.5 lbs or 0.68 kg). I browsed the ...
user19148
-1
votes
3
answers
1k
views
Why are car bodies not made of titanium?
Titanium is more durable and stronger than steel. I checked the price of titanium and it is not too high. Despite that, I could find only one car made of titanium costing, and it cost 2 million.
...
- 155
2
votes
0
answers
69
views
How does oxygen pump works?
In NOx sensors there are oxygen pumps that pump the oxygen out of the chamber. My question is, the oxygen is obviously pumped through the Zirconia zeolite, but how does it get released from at other ...
- 521