Portuguese 
English 
Spanish 
4 min of reading 
0 comments 
NASA Developed An Innovative Wheel With Cutting-Edge Technology, Offering Performance And Durability Never Seen Before.
NASA Surprised The World Once Again By Reinventing Something That Seemed Perfect For Centuries: The Wheel. In An Unceasing Quest For Innovation, Scientists At The Space Agency Developed A New Version Of This Fundamental Object, Utilizing Cutting-Edge Technology And State-Of-The-Art Materials.
The Image Of Mars, The Red And Mysterious Planet, Has Fascinated Humanity For Centuries. Its Surface, A Rocky And Challenging Desert, Holds Secrets That We Long To Unravel. Although Robotic Missions Have Already Explored Part Of The Planet, Only 1% Of Its Vastness Has Been Uncovered.
NASA Is Determined To Go Further, And The Key To This New Era Of Space Exploration Lies In An Innovative Technology: Spring Tires Made Of Shape Memory Alloy.
-
Air bubbles from 3 million years ago extracted from Antarctic ice reveal that the current level of CO₂ has already surpassed that of the ancient, warm world, when the sea was up to 20 meters higher and there were no factories or cars burning fuel.
-
Brazil went to China to seek money and technology to reinvent TV and bring the internet to places where fiber does not reach. The mission negotiated with the BRICS Bank led by Dilma and paved the way for a Chinese rival of Starlink to connect the Amazon.
-
Iceland is going to lower a drill five kilometers to reach rock at 400 degrees and try to extract clean energy on a scale that a common well cannot achieve.
-
At the bottom of the South Pole ice, the IceCube observatory drilled more than a kilometer and a half of ice to hunt ghost particles and test whether gravity obeys the rules of quantum physics.
Imagine A Vehicle Capable Of Navigating The Most Inhospitable Terrains Of Mars, Overcoming Obstacles And Withstanding Extreme Conditions.
This Is The Promise Behind This New Generation Of Tires, Developed In Partnership Between NASA’s Glenn Research Center And Goodyear.
These Tires, Tested In Environments That Simulate The Martian Surface, Represent A Fundamental Step Toward The Realization Of Future Manned And Robotic Missions To The Red Planet.
The Importance Of pTires In Space Exploration
The Exploration Of Mars And Other Celestial Bodies Depends On The Ability For Efficient And Safe Mobility. Rovers, The Robotic Explorers That Traverse These Surfaces, Require Robust And Adaptable Tires To Tackle The Challenges Of The Terrain.
On Mars, With Its Irregular And Rocky Surface, The Durability And Adaptability Of Tires Are Crucial.
This Is Where The Spring Tires Made Of Shape Memory Alloy (SMA) Come In. This Technology, Which Allows The Metal To Return To Its Original Shape After Being Deformed, Has Been Used By NASA For Decades.
However, Its Application In Tires Is An Innovation That Promises To Revolutionize Space Exploration.
The Genesis Of The Innovation
The Story Behind The Development Of These Tires Is Marked By An Accident That Led To A Revolutionary Discovery.
Dr. Santo Padula II, A Material Research Engineer At NASA Glenn, And Colin Creager, A Mechanical Engineer At The Same Institution, Met By Chance After A Meeting.
Creager Shared With Padula The Challenges He Was Facing At The NASA Simulated Lunar Operations Laboratory (SLOPE), Where Simulations Of The Lunar And Martian Surfaces Were Conducted To Test The Performance Of The Rovers.
The Problem? The Spring Tires Of The Time, Made Of Steel, Suffered From Plastic Deformation, An Irreversible Deformation That Compromised Their Functionality.
Padula, A Specialist In Shape Memory Alloys, Envisioned The Solution: “I Have Your Solution. I Am Developing A New Alloy That Will Solve This.” And Thus, The Idea For SMA Tires Began To Take Shape.
Shape Memory Alloys
Shape Memory Alloys Are Metals That Have The Ability To “Remember” Their Original Shape Even After Being Subjected To Extreme Deformations.
This Unique Property Is Due To Their Atomic Structure, Which Allows The Material To Reconfigure After Being Bent, Stretched, Heated, Or Cooled.
The NASA Team, Led By Padula, Developed A Nickel-Titanium Alloy Capable Of Withstanding Extreme Deformations Without Suffering Permanent Damage.
This Alloy, Applied To The Spring Tires, Ensures Unprecedented Strength And Flexibility, Allowing The Tires To Return To Their Original Shape Even After Violent Impacts.
Rigorous Testing On Simulated Terrain
With The Developed Technology, The Next Step Was To Subject It To Rigorous Testing. In The Fall Of 2024, The NASA Team Traveled To The Airbus Mars Yard In The United Kingdom, A Facility That Simulates The Challenging Conditions Of The Martian Terrain. There, The SMA Tires Were Tested In Various Scenarios, Including Ascents, Descents, Rocky And Sandy Terrains.
The Results Were Impressive. The Tires Exceeded Expectations, Demonstrating Exceptional Stability, Maneuverability, And Obstacle-Crossing Ability.
Slippage And Deformation Were Minimal, Proving The Effectiveness Of The Technology Under Extreme Conditions.
The Future Of Space Exploration
The Success Of The Tests With The SMA Tires Opens Up A Range Of Possibilities For Space Exploration. NASA Is Already Exploring New Applications For This Technology, Including The Development Of Tires For Lunar Vehicles And The Creation Of Protection Systems For Space Habitats.
Furthermore, Research On Shape Memory Alloys Continues To Advance. The Goal Is To Extend The Operational Temperature Capacity Of These Materials, Allowing Their Use In Even More Extreme Environments.
This Research Aims To Develop Materials That Can Absorb The Impact Of Micrometeorites, Ensuring The Safety Of Astronauts And Scientists On Lunar And Martian Missions.
With Information From NASA.
-
1 person reacted to this.