DeMarini Youth Distance -12 Baseball Bat with a 2 1/4-Inch Barrel (17-Ounce/29-Inch) by Demarini. $39.95. ?For long lasting performance DX1 Alloy: Delivers perfect balance of high KSI strength and fracture toughness
DeMarini 2014 Uprising Little League Baseball Bat (-12). DX1 Alloy delivers perfect balance of high KSI strength and fracture toughness for long lasting performance. Hybrid performance grip is a 2-piece grip with thin performance feel and faded color look. Approved for play in Little League and all other youth baseball associations http://suliaszone.com/demarini-uprising-12-little-league-bat-30-inch18-ounce/
Zirconia ceramics materials provide excellent erosion, corrosion and abrasion resistance along with temperature resistance, fracture toughness and strength. These ceramic components are used in extreme service applications that take advantage of their superior wear and corrosion resistance.
Jade comes in a few varieties: Nephrite is a rock comprising mostly massive microcrystalline to cryptocrystalline felted amphiboles of the tremolite - actinolite series. Nephrite is one of the two rocks termed as jade, the other being jadeitite = jadeite jade, consisting mostly of jadeite. Both are extremely tough and resistant to fracture such that they have been used for making choppers and blades since Neolithic times.
Compare to #Ti-6Al-4V #alloy, #SP700 is of better cold and hot process formability, higher strength, plasticity, fracture toughness and fatigue strength. http://wstitanium.com/Uploads/Editor/2016-02-22/56cab65583ba6.pdf