BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a perspective view schematically showing an example of a cell structure (cell structure precursor).
FIG. 2 is a flow chart showing an embodiment of a method for manufacturing a cell structure of the present invention.
FIG. 3 is a flow chart showing an embodiment of a method for manufacturing another cell structure.
FIG. 4 is a graph where mass (g) of a cell structure manufactured in Example 1 before machining an end face is plotted with respect to the whole length (mm) before machining an end face.
FIG. 5 is a graph where mass (g) of a cell structure manufactured in Example 1 after machining an end face is plotted with respect to the whole length (mm) after machining an end face.
FIG. 6 is a graph where mass (g) of a cell structure manufactured in Example 2 before machining an end face is plotted with respect to the whole length (mm) before machining an end face.
FIG. 7 is a graph where mass (g) of a cell structure manufactured in Example 2 after machining an end face is plotted with respect to the whole length (mm) after machining an end face.
FIG. 8 is a graph where mass (g) of a cell structure manufactured in Example 3 is plotted with respect to the whole length (mm) after secondary firing.
FIG. 9 is a graph where water-absorption amount and water-absorption ratio of a plurality of cell structures are plotted with respect to the whole length.