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Questions tagged [alloys]

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Which aluminum alloy is used in cheap commercial load cells?

I am planning to simulate a load cell in CAD and was wondering which aluminum alloy are cheap commercial load cells made of? I noticed there is no huge difference between the common aluminum alloys in ...
DailyReader's user avatar
2 votes
0 answers
35 views

What KB means in 38NiCrMo4 (KB)?

I've been dealing with an engineering drawing that has a material called 38nicrmo4(kb) in Italian UNI standard. It appears that it is equivalent of 36crnimo4 in DIN or commercially named VCN100. In ...
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Cutters: Cr-Ni, Cr-V, or Cr-Mo

I went to the hardware store to buy some new diagonal pliers/cutters and noticed that a lot of manufacturers now stamp the type of steel alloy near the pivot. My options were Chromium-Nickel, ...
bobuhito's user avatar
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What's the right stress relief treatment for AS161 magnesium alloy?

I have a 50 year old forged magnesium alloy wheel apparently marked AS161, which I have been led to believe is AS1.61 - not dissimilar to this picture here. So I assume 1.6% aluminium and 1% silicone ...
it's a hire car baby's user avatar
0 votes
1 answer
27 views

Makeshift solution for cast alloy based on copper

I'm trying to mix an alloy for casting. The base metal must be copper and the desired physical properties are melting point as low as possible but below 1000°C (my makeshift crucible won't stand more ...
Ariser's user avatar
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1 answer
59 views

What is the metallic alloy used in camera cases?

What is the metallic alloy used in camera cases? They are manufatured by what process?
S. Feunmajer's user avatar
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0 answers
60 views

Grain size and fatigue performance correlation for AMS 5662 Inconel 718

I am trying to do a literature review on the correlation between average grain size and fatigue performance of AMS 5662 (solution annealed condition) Inconel 718. The Special Materials Corporation ...
Foad's user avatar
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1 answer
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Longer lasting soldering tips

I'm a real thrifty guy, so seeing my soldering tip with months of use on them starting to crack & peel, the layer I take to be nickel cladding, disheartens me. Again, this is planned obsolescence ...
Tempus Nomen's user avatar
0 votes
2 answers
80 views

Metallurgy: Purifying Cobalt-Nickel-Copper alloys to Cobalt, Nickel, Copper

I am working on lithium battery recycling modelling. Long story short after certain processes I get as output alloys with different compositions of Cobalt, Nickel and Copper. An example of an alloy is ...
NUKE1989's user avatar
0 votes
1 answer
132 views

What is the difference between an alloy and a metamaterial?

Metamaterials are carefully structured materials — often consisting of periodically arranged building blocks — that exhibit properties and functionalities that differ from and surpass those of their ...
Musk's user avatar
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Alternatives to zinc die cast (Zamak)

I am working for a small domestic home appliance manufacturer and we are looking at ways to reduce our appliance's carbon footprint. Currently we use a lot of die-casted zinc-aluminum alloy (Zamak, ...
Harbinger_0569's user avatar
1 vote
1 answer
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What aluminum grade is the most resistant to corrosion in alkaline environment?

Quick google search will return either 6000 series (6061 more specifically), or 3003 However with so many option and each having it's own benefit, I still haven't make my decision What I am looking ...
poalsd's user avatar
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1 answer
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martensitic transformation, starting and finishing temperature

Searching about microstructure of Cu-Ni-Zn alloys I came across an article (published 2017) which in Conclusion says: Blockquote It was observed that the starting and finishing transformation ...
Negarin's user avatar
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Heat treatment processes in Nickel-Based Superalloys?

What is the difference in heat treatment process between Wrought Ni-Based superalloys &cast Ni-Based superalloys
Kasinpot Tuenbuarabat's user avatar
1 vote
3 answers
101 views

Is thermal conductivity a property that affects the use of an alloy in high-temperature applications?

I'm interested in the effect of thermal conductivity on the choice of materials used for high temperature applications such as turbines. For the particular case of Nickel-Chromium alloys (such as René ...
A. Rapoport's user avatar
-1 votes
1 answer
55 views

Where to find a list of hard low melting point alloys?

Im looking for alloys that have a melting point lower than 600°C and as high as possible hardness. Is there a search engine I could use to find those alloys with their physical properties?
Francis L.'s user avatar
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2 answers
147 views

What alloy am I making (Al-Bi)

I have been melting aluminum in a DIY furnace for a few months in order to make lost wax casts. I was thinking that since bismuth has a much lower melting point than aluminum, that I could add a small ...
user1402154's user avatar
3 votes
1 answer
761 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 ...
peter.babic's user avatar
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Electric Current Based Shape-Memory Alloy

Would it be possible to create a piece of metal, made out of an alloy or combination of alloys, that undergoes a shape-memory-esque change in structure in reaction to an electric current? Could it ...
Aezyc's user avatar
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1 answer
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Tapping small hole on titanium

So I want to tap a super small hole on grade 5 titanium alloy with M1.8x0.2 (which should be possible according to this Quora's answer. But is there any tap available for me to do this job? I mean M1....
Andrew.Wolphoe's user avatar
2 votes
2 answers
4k views

What's the difference between tempering and aging?

The processes sound really similar; I'm asking with respect to Martensite processing. Essentially the difference between Tempered martensite and Aged martensite for Steels
N. Babuchak's user avatar
-1 votes
4 answers
13k views

Benefits and disadvantages of aluminium alloys as a replacement for structural steels in ships

My Answer. Benefits: The major advantage of aluminum in ship building is its strength to density ratio. Aluminum has high tensile strength with less weight, which results in lowering the weight of ...
Surdz's user avatar
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2 votes
2 answers
133 views

38CrNiMoAlA: Does it even exist?

I have some plungers made of 38CrNiMoAlA. Their required hardness to be achieved via quenching/tempering is 51 HRC. I've scoured our technical order for heat treatment of steel alloys but the material ...
Muhammad Naufil's user avatar
0 votes
1 answer
151 views

Maximum Carbon content on the surface of Mild Steel that is Pack Carburized

Starting from a piece of Mild Steel that is then Pack Carburized, what's the maximum Carbon content that the surface can soak in? Given that we keep it around less than 1000°C and enough time, is it ...
Dehbop's user avatar
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4 votes
3 answers
2k views

Steel : is Damascus steel still relevant compared to modern alloys?

Damascus steel is a multilayered hand-forged steel used in the past for arabic and japanese weapons and now for kitchen knives and various connoisseur blades. Usually, two alloys are used ...
Aurélien Pierre's user avatar
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0 answers
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How to estimate the physical parameters of 40% Cu + 60% Mo alloy?

I need to know, or estimate the physical characteristics of the alloy which consists 40% copper and 60% molybdenum. I know only: Density: $9.62 \frac{g}{cm^3}$ Thermal conductivity: $223 \frac{W}{m·K}...
Andrew Kachalin's user avatar
3 votes
2 answers
122 views

Aluminum for an Ejection Seat Replica

I love ejection seats and the flying contraptions they usually reside in. In fact, I like them so much that I want to make my own, despite my profound lack of training and inexperience with ...
Green's user avatar
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2 votes
2 answers
377 views

Furnace for aluminum alloy creation

What kind of furnace is used to create alloys for aluminum die casting? I have only been able to find information about how to create alloys or how to process them afterwards in the die casting ...
Sket's user avatar
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2 votes
1 answer
4k views

Alloys with same density as gold

Lavoisier's principle of mass conservation states that the mass of a system must remain constant over time. But, as far as I know, there's no similar principle for density. So, is it possible to ...
Mark Messa's user avatar
10 votes
0 answers
1k views

ANSYS APDL Shape memory effect option of SMA not working

I am trying to define the material properties of a shape memory alloy material in ANSYS APDL V15. There are material properties for Superelastic materials (SUPE option) and material properties for ...
imacube's user avatar
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10 votes
4 answers
3k views

How can the alloying materials of recycled steels be separated?

As I know, a very considerable part of the currently processed steels (around half of it) is coming from recycling. But during the steels coming into the recycling process are coming normally from ...
peterh's user avatar
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7 votes
4 answers
3k views

Do "non-iron steels" exist?

There are numerous steel alloys, containing mostly iron, carbon, and some other metals. Generally speaking, we can think of them as if they were some type of steel. My question is: do "non-ferrous ...
peterh's user avatar
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