Bike frame materials explained: carbon vs aluminium vs …
What are the pros and cons of different bike frame materials? How do they affect the performance, comfort and durability of your bike? Find out in this comprehensive guide from BikeRadar, where we ...
Alloying Aluminum Alloys with Scandium | Metal Science …
Scandium is one of the most effective alloying components of aluminum alloys. A small addition of scandium (about 0.2 – 0.3%) facilitates an increase in strength properties of wrought semiproducts of aluminum alloys by 100 – 150 MPa, limited cast grain refinement (up to formation of as non-dendritic structure), a marked improvement in …
Scandium vs. Aluminum? | Mountain Bike Reviews Forum
That said, "scandium" as a term in frame construction, refers to an aluminum alloy with a small percentage of scandium added to improve weldability. This allows for shorter butts in the tube (eg: less length of increased thickness at the joint) which typically yeilds a more responsive ride.
how do the J frames in scandium and alloy hold up to use?
Re: how do the J frames in scandium and alloy hold up to use. My personal carry is a S&W 340 AirLite Sc. I've had (before Magnaporting) the barrel and shroud come loose from recoil from using factory loaded .357 Mags in 158 grains. Recoil is simply horrible. My advise is to stick with .38 Spcl loads, or SS frames. T.
Scandium vs. Aluminum question | 1911Forum
Scandium is a soft, light metal that might have applications in the aerospace industry. With a cost of $270 per gram ($122,500 per pound), scandium is too expensive for widespread use. Alloys of scandium and aluminum are used in some kinds of athletic equipment, such as aluminum baseball bats, bicycle frames and lacrosse …
Scandium Frame S&W 1911, pros/cons? | Handgun Forum
That scandium alloy is mostly aluminum with a tiny bit of scandium in it. Steel is much stonger than aluminum but aluminum is good enough for a semi-auto …
S&W J Frame Scandium vs Aluminum | Page 3 | Glock Talk
The J frames were originally .32 Hand Ejector Model, lengthened to accept the .38 Special and .357 Magnum cartridges. It is why they are five shot rather than six shot revolvers. They are very small, alot of people can only grasp them with two fingers on the grip. They are hard to shoot, eliminating weight makes them much more difficult to shoot.
Scandium
An aluminium-scandium alloy has been used in Russian MIG fighter planes, high-end bicycle frames and baseball bats. Scandium iodide is added to mercury vapour lamps to produce a highly efficient light source resembling sunlight. These lamps help television cameras to reproduce colour well when filming indoors or at night-time.
Aluminum or Scandium?
A scandium frame manly consists of aluminum, just like 7005 alloy manly consists of aluminum. Scandium frames are alloy frames which have just been enhanced with a small amount of scandium added to create the scandium enanced aluminum alloy. The bike tube manufacturer Easton has a paper about their Sc7000 scandium alloy …
J-frame S&W Scandium / Aluminum vs Stainless …
J-frame S&W (12 – 15 ounce) Scandium/Aluminum VS Stainless Steel (23 or so ounce) J-Frame In one corner: S & W 340 in .357 Mag or S & W 342 Centennial (or 638 Bodyguard) in .38+P ... Btw, the …
Scandium and 7000 series aluminum | Road Bike, Cycling Forums
Sc7000 is simply an aluminum alloy with a small amount of scandium mixed in. There is apparently a great benefit to a frame's integrity using scandium mixed in as the Soviet Union had used it in manufacturing their MiGs. Don't be mislead into thinking that it's pure scandium however.
The Pros and Cons of Aluminum-Framed Handguns
A while back, I acquired a Smith & Wesson 1911SC, scandium/aluminum frame commander sized pistol and I absolutely love it. Lighter to carry, either on my belt or in my vest. Great trigger right out of the box and several very nice "custom" features. Dandy shooter, perhaps even better than my partially accurarized Colt Commander.
Scandium Frames
In the bicycle world, scandium refers to frame tubing made from an aluminum alloy that includes the element scandium. In most cases, the tubing base is …
Sciencemadness Discussion Board
How to tell chemically if the frame contains Scandium or not? A lot of modern Kona bike's frames containing 0.1% to 0.45% by weight. Price of Scandium is more then 37k$ per KG. I can recognize a Titanium bike, frames made of Titanium are very thin. But Scandium containing Aluminum frames looks the same as Aluminum frames …
Smith and Wesson Round Butt Scandium Frame 1911 …
Compared to this Springfield XD-S .45, the S&W Scandium 1911 Commander fits the single-stack carry gun size need perfectly. The hammer settles nicely into the beavertail when it's cocked. The trigger pull is an easy 4.9 pounds with .0125-inch take-up and a crisp, clean break.
Bicycle Frames
2005 Felt F15 Scandium/Carbon Road Frame 56cm. Good Condition Frame Construction, TIG-welded, Frame Tubing Material, Easton SC7000/carbon stays, Sorry no international shipping Only confirmed Paypal accounts will be accepted for payment and shipping MULTIPLE WINS I will combine shipping on multiple wins. $2.00 additional per extra win, …
The Pros and Cons of Aluminum-Framed Handguns
See more on blog.cheaperthandirt
SCANDIUM DE ROSA BIKES – De Rosa North America
derosanorthamericaHow do you make a frame with a scandium alloy?Adding scandium to the alloy improves the grain structure of the final product and makes it easier to weld at the same time. The only other way to make a frame with these alloys is to bond them together (as trek used to do in the late 80s/early 90s for example) with tubes and lugs.durability of scandium frames | Mountain Bike Reviews Forum
mtbrWhy is scandium a stronger alloy than aluminum?Recalculating.... Scandium is alloyed with other metals besides aluminum. As D8 said, it alighns the structure better and makes a stronger alloy. The Rissians discovered this years ago.durability of scandium frames | Mountain Bike Reviews Forum
mtbrDoes a scandium frame have Dings?I've been riding a scandium frame for 6 years with many horrific crashes and the frame is still straight and there are no dings on any of the tubes. Okay, so if that alloy is stronger than 60 series, they should be able to get away with thinner walls, therefore less weight. Is that how it works? Where did you find all that good info?durability of scandium frames | Mountain Bike Reviews Forum
mtbrFeedbackScandium frames | Smith And Wesson Forums
WEBOughta be fun! I have had 2 other Scandium framed guns in the past, a 329NG .44 and a SW1911E Scandium 1911, I sold them both to pay bills. One of these days maybe I can get them back. 1. M&P …
durability of scandium frames | Mountain Bike Reviews Forum
10950 posts · Joined 2004. #2 · Aug 12, 2006. Scandium is just an element being added to a high zinc content 7000 series aluminium (its widely assumed to be 7075 used as the base alloy) which has the effect of making an otherwise unweldable high-strength alloy weldable. The zinc enriched 7000 series alloys are essentially the …
Ridley Scandium Road Bike
The addition of scandium to aluminum allows the stronger, non-weldable base aluminum alloy to be welded. Previously, these and similar base alloys could only be made into a …
Why is Smith and Wesson the only maker of scandium frames
2295 posts · Joined 2015. #9 · Jul 18, 2015. Scandium is used in trace amounts in the Aluminum alloy. What S&W has is a Patent for a process on how the Scandium is incorporated during the formation of the Aluminum alloy or "how the cake is baked". Other makers may well use Scandium and a different process to "bake the …
scandium or dedacciai 7003
0. May 28, 2004. #3. Don't know much about merits of 7003 but I do know why scandium is added to aluminium alloy. From what I've read, SC61.10A or otherwise known as scandmium is another aluminum alloy. Dedacciai ads SC61.10A 7003 aluminum to improve its yield point. This is the point in which it deforms permanently when stressed, …
Kinesis RTD frameset review | Cyclingnews
The seat angle goes the other way with the majority of frames at 73.3-degrees with 74-degrees on the 48cm frame and 73-degrees on the 63cm. 420mm chainstays mean there's space for 36mm …
The Best Guide To Bike Frame Materials and Their
Bicycle frames are typically made from carbon fibre, titanium, steel, or aluminium, but some rare bike materials exist. 1. Scandium Bike Frame: Scandium is sometimes used to describe frames. However, scandium is too rare an element to be used for an entire bike frame, so scandium frames are alloys of aluminium with a small …
Rio Tinto Working to Produce Scandium for Scandium-Aluminum Master
Kona Bikes estimates that scandium enables them to "shave weight from their aluminum frames by 10-to-15%." The Scandium Market. Security of supply issues and a high cost of production have limited the growth of demand for scandium for many years, with the current market estimated to represent 12-14 tonnes per year, according to …
S&W revolvers with alloy or scandium frames? | Glock Talk
I don't have a S&W Scandium revolver. But I do have a Scandium 1911 Gunsite model. So far through between 2000-3000 rounds through it and no problems. My 642 is aluminum and steel and it's held up fine. Aluminum frames have held up to multiple thousands of rounds. The Scandium is supposed to have 3X the tensile strength of just …
Ridley Scandium Road Bike
The addition of scandium to aluminum allows the stronger, non-weldable base aluminum alloy to be welded. Previously, these and similar base alloys could only be made into a frame by bonding tubes together using high-strength adhesives and cast or machined lugs -- think of high-tech tinker-toys. ... Ridley's aptly named Scandium frameset is an ...
Scandium revolvers | Ruger Forum
Aluminum will be plastically deformed by stress, and it will not spring all the way back after the stress is removed. That means it will stretch, bend or whatever, in reaction to stress. Don't know what the round count would be, but aluminum frame guns, with or without Scandium, should stretch and eventually become unserviceable.
durability of scandium frames | Mountain Bike Reviews Forum
#1 · Aug 12, 2006. Just wondering: how does scandium compare to aluminum in terms of lifespan? Is it actually a form of aluminum? I don`t understand why the sc. frames are so …
Scandium vs. Aluminum? | Page 3 | Mountain Bike Reviews Forum
Scandium..the first of the transition metals, element 21 and with only one stable isotope has a molecular weight of 45. Not so rare to find in the ground and as alluded to earlier you mix it into an aluminium alloy in the 0.1-2% range. But does one care about that. No, its the name that will sell.
Allite's New Super Magnesium Alloy is Lighter Than Aluminum
Scandium enhanced aluminum was expensive also, which is why it fell out of favor with bicycle manufacturers (the tubesets cost so much that frames in carbon weren't that much more of a price hike).
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