US 12,011,872 B2
Additive manufacture-assisted method for making structural elements having controlled failure characteristics
Seyed Mohammad Sajadi, Houston, TX (US); Ashok Kumar Meiyazhagan, Houston, TX (US); Peter Boul, Houston, TX (US); Muhammad Rahman, Houston, TX (US); Carl Thaemlitz, Houston, TX (US); and Pulickel Ajayan, Houston, TX (US)
Assigned to Saudi Arabian Oil Company, Dhahran (SA); and William Marsh Rice University, Houston, TX (US)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA); and WILLIAM MARSH RICE UNIVERSITY, Houston, TX (US)
Filed on Jun. 20, 2023, as Appl. No. 18/337,876.
Application 18/337,876 is a division of application No. 16/874,449, filed on May 14, 2020, granted, now 11,724,443.
Prior Publication US 2023/0330923 A1, Oct. 19, 2023
Int. Cl. B29C 64/118 (2017.01); B32B 13/12 (2006.01); B32B 27/30 (2006.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 70/10 (2020.01); B33Y 80/00 (2015.01); E21B 47/005 (2012.01); B29K 29/00 (2006.01); B29K 105/00 (2006.01); C04B 7/02 (2006.01)
CPC B29C 64/118 (2017.08) [B32B 13/12 (2013.01); B32B 27/306 (2013.01); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 70/10 (2020.01); B33Y 80/00 (2014.12); E21B 47/005 (2020.05); B29K 2029/04 (2013.01); B29K 2105/0079 (2013.01); B32B 2307/202 (2013.01); B32B 2315/06 (2013.01); C04B 7/02 (2013.01); E21B 2200/01 (2020.05)] 3 Claims
OG exemplary drawing
 
1. A layered structural element having improved mechanical properties, comprising:
a cured cement shape, wherein the cured cement shape comprises cement;
a polymer layer adhered to the cured cement shape, wherein the polymer layer comprises a polymer comprising a liquid crystal elastomer;
a suffused zone, wherein the suffused zone comprises the polymer of the polymer layer suffused into the cement of the cured cement shape; and
a geometric shape that comprises a schwarzite structure.