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A ferrous abrasion resistant sliding material and sliding member having improved seizing resistance, abrasion resistance and heat crack resistance are provided. The ferrous abrasion resistant sliding material has a parent phase taking the form of at least either one of a ferrite phase or a martensit

A ferrous abrasion resistant sliding material and sliding member having improved seizing resistance, abrasion resistance and heat crack resistance are provided. The ferrous abrasion resistant sliding material has a parent phase taking the form of at least either one of a ferrite phase or a martensite phase, wherein the parent phase contains Al of 1.5 to 20 wt %, and at least either carbide, which may be selected from one or more types, of cementite, Cr7C3-type carbide, Fe3M3C-type carbide and MC-type carbide, or graphite is dispersed therein.

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1. A ferrous abrasion resistant sliding material having a parent phase taking the form of a ferrite phase, wherein said parent phase contains Al of 10.3 to 20 wt %, and at least one carbide selected from the group consisting of cementite, Cr7C3-type carbide, Fe3M3C-type carbide and MC-type carbide,

1. A ferrous abrasion resistant sliding material having a parent phase taking the form of a ferrite phase, wherein said parent phase contains Al of 10.3 to 20 wt %, and at least one carbide selected from the group consisting of cementite, Cr7C3-type carbide, Fe3M3C-type carbide and MC-type carbide, or graphite is dispersed therein,wherein said ferrous abrasion resistant sliding material is steel or cast iron,wherein said ferrite phase is age-hardened so that the ferrite phase has a hardness of Hv500 or more, andwherein said material contains one or more alloy element selected from the group consisting of Si, Mn, Ni and Co in a total amount of 2 to 7 wt % and a retained austenite phase in a content of 10 to 40% by volume. 2. The ferrous abrasion resistant sliding material according to claim 1, wherein said parent phase contains Si of 5 wt % or less. 3. The ferrous abrasion resistant sliding material according to claim 1, wherein said material contains carbon of 2.5 to 5 wt %,said ferrite phase contains one or more alloy element selected from the group consisting of Ni, Co and Mn of 6 to 35 wt %, andsaid material contains one or more graphite selected from the group consisting of flake graphite, granulated graphite and vermicular graphite dispersed in said ferrite phase in 3 to 15% by volume. 4. The ferrous abrasion resistant sliding material according to claim 1, wherein said material contains carbon of 0.4 to 5 wt %,said ferrite phase contains one or more of alloy element selected from the group consisting of Ni, Co and Mn of 6 to 35 wt %, andsaid material contains carbide dispersed in said ferrite phase in 5 to 75% by volume. 5. The ferrous abrasion resistant sliding material according to claim 1, wherein said material contains carbon of 0.4 to 5 wt %,said ferrite phase contains one or more of alloy element selected from the group consisting of Ni, Co and Mn of 6 to 35 wt %, andsaid material contains a copper alloy phase dispersed in said ferrite phase in 3 to 20% by volume. 6. The ferrous abrasion resistant sliding material according to claim 1, wherein said material contains carbon of 2.5 to 5 wt % and has a fundamental structure in which said ferrite phase contains cementite in a content of 5 to 40% by volume and graphite in a content of 3 to 10% by volume dispersed therein. 7. The ferrous abrasion resistant sliding material according to claim 1, wherein said graphite has an average grain size of 10 μm or less and is dispersed in said parent phase in 3 to 10% by volume. 8. The ferrous abrasion resistant sliding material according to claim 1, wherein said parent phase contains a copper alloy phase dispersed therein, and said copper alloy phase contains Al of 7 to 15 wt % so as to have a structure of a mixture of a α phase and a β phase or a β phase. 9. The ferrous abrasion resistant sliding material according to claim 1, wherein said material contains one or more alloy element selected from the group consisting of Cr of 2.5 to 25 wt %, Mo of 3 to 15 wt % and W of 3 to 15 wt % so that said parent phase contains one or more carbide selected from the group consisting of cementite, Cr7C3-type carbide, Fe3M3C-type carbide and MC-type carbide precipitated and dispersed therein in 5 to 75% by volume. 10. The ferrous abrasion resistant sliding material according to claim 1, wherein said material contains one or more of Cr of 2.5 to 25 wt %, Mo of 3 to 15 wt % and W of 3 to 15 wt %, and a sliding surface of said material is carburized to have said parent phase containing one or more carbide selected from the group consisting of cementite, Cr7C3-type carbide, Fe3M3C-type carbide and MC-type carbide precipitated and dispersed therein in 5 to 75% by volume. 11. The ferrous abrasion resistant sliding material according to claim 1, wherein said material contains one or more alloy element selected from the group consisting of V, Ti, Zr, Nb and Ta of 0.05 to 4 wt % so that one or more of carbide, nitride and carbonitride mainly formed by said alloy element is dispersed in 0.1 to 10% by volume.