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A method of treating a preceramic material includes modifying a moiety Si—O—R of a polycarbosilane material with at least one metal (M), where Si is silicon, O is oxygen and R includes an alkyl or aryl moiety, by reaction to substitute R with M to produce a preceramic polycarbosilane or polycarbosil

A method of treating a preceramic material includes modifying a moiety Si—O—R of a polycarbosilane material with at least one metal (M), where Si is silicon, O is oxygen and R includes an alkyl or aryl moiety, by reaction to substitute R with M to produce a preceramic polycarbosilane or polycarbosiloxane material that includes a moiety Si—O-M.

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1. A method of treating a preceramic material, the method comprising: modifying a moiety Si—O—R of a polycarbosilane or polycarbosiloxane material with at least one metal (M), where Si is silicon, O is oxygen and R includes an alkyl or aryl moiety, by reaction to substitute R with M to produce a pre

1. A method of treating a preceramic material, the method comprising: modifying a moiety Si—O—R of a polycarbosilane or polycarbosiloxane material with at least one metal (M), where Si is silicon, O is oxygen and R includes an alkyl or aryl moiety, by reaction to substitute R with M to produce a preceramic polycarbosilane or polycarbosiloxane material that includes a moiety Si—O-M. 2. The method as recited in claim 1, wherein the reaction includes at least one of a hydrolysis and a condensation reaction. 3. The method as recited in claim 1, wherein the polycarbosilane or polycarbosiloxane material is alkoxy-modified polycarbosilane or polycarbosiloxane. 4. The method as recited in claim 1, including providing the at least one metal (M) in a metal alkoxy or aryloxy compound and reacting the metal alkoxy or aryloxy compound with the moiety Si—O—R to substitute R with M. 5. The method as recited in claim 1, including providing the at least one metal (M) in a metal alkoxy or aryloxy compound and dissolving the metal alkoxy or aryloxy compound and the polycarbosilane or polycarbosiloxane material in a solvent. 6. The method as recited in claim 5, wherein the solvent is selected from a group consisting of methanol, hexane, tetrahydrofuran, 2-methyl-1-propanol and combinations thereof. 7. The method as recited in claim 5, wherein the solvent is 2-methyl-1-propanol. 8. The method as recited in claim 1, including providing the at least one metal (M) in a metal alkoxy or aryloxy compound, dissolving the metal alkoxy or aryloxy compound and the polycarbosilane or polycarbosiloxane material in a solvent to form a solution and catalyzing the reaction or reactions in the solution using an acid. 9. The method as recited in claim 8, including, after the reaction or reactions, removing the solvent to produce a substantially dry solid reaction product comprising the preceramic polycarbosilane or polycarbosiloxane material that includes the moiety Si—O-M. 10. The method as recited in claim 1, including thermally converting the preceramic polycarbosilane or polycarbosiloxane material that includes the moiety Si—O-M into a ceramic material. 11. The method as recited in claim 1, including mixing the preceramic polycarbosilane or polycarbosiloxane material that includes the moiety Si—O-M with a different preceramic polymer material. 12. The method as recited in claim 1, wherein the at least one metal (M) is selected from a group consisting of aluminum, boron, alkaline earth metals, transition metals, refractory metals, rare earth metals and combinations thereof. 13. The method as recited in claim 1, wherein the at least one metal is selected from a group consisting of aluminum, boron and combinations thereof. 14. The method as recited in claim 1, wherein the at least one metal is a transition metal selected from a group consisting of titanium, zirconium, hafnium, vanadium, chromium and combinations thereof. 15. The method as recited in claim 1, wherein the at least one metal is a refractory metal selected from a group consisting of niobium, tantalum, molybdenum, tungsten, rhenium and combinations thereof. 16. The method as recited in claim 1, wherein the at least one metal is a rare earth metal selected from a group consisting of scandium, ytterbium, gadolinium, yttrium, lanthanum, neodymium, dysprosium, lutetium and combinations thereof. 17. The method as recited in claim 1, wherein the at least one metal is an alkaline earth metal selected from a group consisting of barium, strontium, calcium, magnesium, and combinations thereof.